diff --git a/facebook__mms-tts-akp-Siwu/config.json b/facebook__mms-tts-akp-Siwu/config.json
index 621e6c7f07ddd8bcbe912dd0bb42d0c9277c8986..3d48ad006f81cf9fa15f69c3de9ba76564699764 100644
--- a/facebook__mms-tts-akp-Siwu/config.json
+++ b/facebook__mms-tts-akp-Siwu/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -56,10 +56,10 @@
     "ɣ": 8,
     "̃": 29
   },
-  "pad": null,
+  "pad": "_",
   "blank": "t",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-blt-Tai_Dam/config.json b/facebook__mms-tts-blt-Tai_Dam/config.json
index 305d0c373430ce41571716d240cc83bbc8f5b1f8..04ce6f02c3f4b0ecb92f5a65a0a7ac6262b1a82a 100644
--- a/facebook__mms-tts-blt-Tai_Dam/config.json
+++ b/facebook__mms-tts-blt-Tai_Dam/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -91,10 +91,10 @@
     "ự": 64,
     "‐": 27
   },
-  "pad": null,
+  "pad": "_",
   "blank": "ụ",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-bmu-Somba-Siawari/config.json b/facebook__mms-tts-bmu-Somba-Siawari/config.json
index d499f30262e9ec163eb665d3093f6ef300417c8b..4a69903e0dc5f4dff7fdb73bbd8ece8463ada567 100644
--- a/facebook__mms-tts-bmu-Somba-Siawari/config.json
+++ b/facebook__mms-tts-bmu-Somba-Siawari/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -60,10 +60,10 @@
     "ö": 36,
     "ŋ": 8
   },
-  "pad": null,
+  "pad": "_",
   "blank": "b",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-cjs-Shor/config.json b/facebook__mms-tts-cjs-Shor/config.json
index 894a2883d9acb026bd828ef2249da702fc7d7de8..b78a1b0a0ab99dd5068d39c5616ce91db6293da6 100644
--- a/facebook__mms-tts-cjs-Shor/config.json
+++ b/facebook__mms-tts-cjs-Shor/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -60,10 +60,10 @@
     "ӱ": 25,
     "–": 24
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git "a/facebook__mms-tts-dyi-S\303\251noufo_Djimini/config.json" "b/facebook__mms-tts-dyi-S\303\251noufo_Djimini/config.json"
index cff2af9b276c32ee2f5083f9827a726907ee8405..4b623c5f75b65bee894bb2a4ed194434faab0d20 100644
--- "a/facebook__mms-tts-dyi-S\303\251noufo_Djimini/config.json"
+++ "b/facebook__mms-tts-dyi-S\303\251noufo_Djimini/config.json"
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -57,10 +57,10 @@
     "ɛ": 5,
     "̀": 34
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-jiv-Shuar/config.json b/facebook__mms-tts-jiv-Shuar/config.json
index f6fb1324fdbeb7c8b84f1be874c25087a1285afd..d464a8f962ca5a53d1eec380e6ed267343f88c30 100644
--- a/facebook__mms-tts-jiv-Shuar/config.json
+++ b/facebook__mms-tts-jiv-Shuar/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -47,10 +47,10 @@
     "̱": 12,
     "ṉ": 20
   },
-  "pad": null,
+  "pad": "_",
   "blank": "a",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-khq-Songhay_Koyra_Chiini/config.json b/facebook__mms-tts-khq-Songhay_Koyra_Chiini/config.json
index 3f81c0931efe5e5fa7eb6da5e7959bdc0ff75a40..92858cc78bfc4998059001fcd123978b0188405d 100644
--- a/facebook__mms-tts-khq-Songhay_Koyra_Chiini/config.json
+++ b/facebook__mms-tts-khq-Songhay_Koyra_Chiini/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -57,10 +57,10 @@
     "ẽ": 22,
     "–": 2
   },
-  "pad": null,
+  "pad": "_",
   "blank": "n",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-klw-Tado/config.json b/facebook__mms-tts-klw-Tado/config.json
index d72e0a73afd7740a56697af128509a781c47f705..231a2a9b29af6cc200cd38b0f28105dd388d8fea 100644
--- a/facebook__mms-tts-klw-Tado/config.json
+++ b/facebook__mms-tts-klw-Tado/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -48,10 +48,10 @@
     "y": 5,
     "z": 26
   },
-  "pad": null,
+  "pad": "_",
   "blank": "w",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-mnx-Sougb/config.json b/facebook__mms-tts-mnx-Sougb/config.json
index 451468632076b118cdf152bf85e84fe9bc404c15..49f852efbd5f31255deff26a588e624f21d93efc 100644
--- a/facebook__mms-tts-mnx-Sougb/config.json
+++ b/facebook__mms-tts-mnx-Sougb/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -45,10 +45,10 @@
     "w": 5,
     "y": 8
   },
-  "pad": null,
+  "pad": "_",
   "blank": "j",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git "a/facebook__mms-tts-myk-S\303\251noufo_Mamara/config.json" "b/facebook__mms-tts-myk-S\303\251noufo_Mamara/config.json"
index 72605221b96e647e993a42298365bed1a21e03fb..33cc56e49cfa45d90b8fb0e148c59e36c79d389a 100644
--- "a/facebook__mms-tts-myk-S\303\251noufo_Mamara/config.json"
+++ "b/facebook__mms-tts-myk-S\303\251noufo_Mamara/config.json"
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -67,10 +67,10 @@
     "́": 44,
     "ᴐ": 24
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-nus-Nuer/config.json b/facebook__mms-tts-nus-Nuer/config.json
new file mode 100644
index 0000000000000000000000000000000000000000..249c2c323d0746dca63493eba90c112f11abbe00
--- /dev/null
+++ b/facebook__mms-tts-nus-Nuer/config.json
@@ -0,0 +1,69 @@
+{
+  "phoonnx_version": "1.0",
+  "engine": "transformers",
+  "phoneme_type": "graphemes",
+  "alphabet": "unicode",
+  "lang_code": "nus",
+  "audio": {
+    "sample_rate": 16000
+  },
+  "num_symbols": 256,
+  "num_speakers": 1,
+  "num_langs": 1,
+  "speaker_id_map": {},
+  "lang_id_map": {},
+  "phonemizer_model": null,
+  "add_diacritics": false,
+  "inference": {
+    "noise_scale": 0.667,
+    "length_scale": 1.0,
+    "noise_w": 0.8
+  },
+  "phoneme_id_map": {
+    " ": 33,
+    "'": 31,
+    "-": 29,
+    "1": 32,
+    "a": 4,
+    "b": 22,
+    "c": 10,
+    "d": 16,
+    "e": 17,
+    "g": 28,
+    "h": 15,
+    "i": 3,
+    "j": 19,
+    "k": 2,
+    "l": 12,
+    "m": 14,
+    "n": 5,
+    "o": 24,
+    "p": 27,
+    "r": 13,
+    "t": 6,
+    "u": 9,
+    "w": 26,
+    "y": 18,
+    "|": 0,
+    "ä": 8,
+    "ë": 23,
+    "ö": 20,
+    "ŋ": 21,
+    "ɔ": 11,
+    "ɛ": 1,
+    "ɣ": 25,
+    "̈": 30,
+    "̱": 7
+  },
+  "pad": null,
+  "blank": "|",
+  "bos": null,
+  "eos": null,
+  "add_blank_char": true,
+  "add_blank_word": false,
+  "use_eos_bos": false,
+  "blank_at_start": true,
+  "blank_at_end": true,
+  "word_sep_token": " ",
+  "blank_between": "tokens_and_words"
+}
\ No newline at end of file
diff --git a/facebook__mms-tts-omw-Tairora_South/config.json b/facebook__mms-tts-omw-Tairora_South/config.json
index 4974c8e24559caf7589c5d4bcc91ef3d332cccf9..24cf02dc1a43713c52bd47f16a8ce0a6fc8ba841 100644
--- a/facebook__mms-tts-omw-Tairora_South/config.json
+++ b/facebook__mms-tts-omw-Tairora_South/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -52,10 +52,10 @@
     "w": 17,
     "y": 24
   },
-  "pad": null,
+  "pad": "_",
   "blank": "q",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-rif-script_arabic-Tarifit/config.json b/facebook__mms-tts-rif-script_arabic-Tarifit/config.json
index f7bf6bd233466840c22b448aa8cfe424bfc5fdee..d39e153ca640c22f9563b684c9fb30aad8c8ed48 100644
--- a/facebook__mms-tts-rif-script_arabic-Tarifit/config.json
+++ b/facebook__mms-tts-rif-script_arabic-Tarifit/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -64,10 +64,10 @@
     "ژ": 13,
     "ݣ": 8
   },
-  "pad": null,
+  "pad": "_",
   "blank": "ڒ",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-rif-script_latin-Tarifit/config.json b/facebook__mms-tts-rif-script_latin-Tarifit/config.json
index 047c6d7ae5d3b23335b63a6a68fa13c03058963f..53e228cb7bd9c99139e7daad618d9e140786eaf3 100644
--- a/facebook__mms-tts-rif-script_latin-Tarifit/config.json
+++ b/facebook__mms-tts-rif-script_latin-Tarifit/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -62,10 +62,10 @@
     "ṯ": 11,
     "ẓ": 36
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-ses-Songhay_Koyraboro_Senni/config.json b/facebook__mms-tts-ses-Songhay_Koyraboro_Senni/config.json
index 8519fa9942e93b5b685d343747017bd23967d45e..fcd54487545515f93934a7698a378e5b9a184f55 100644
--- a/facebook__mms-tts-ses-Songhay_Koyraboro_Senni/config.json
+++ b/facebook__mms-tts-ses-Songhay_Koyraboro_Senni/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -57,10 +57,10 @@
     "ẽ": 21,
     "–": 35
   },
-  "pad": null,
+  "pad": "_",
   "blank": "e",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sgj-Surgujia/config.json b/facebook__mms-tts-sgj-Surgujia/config.json
index 00a82d1e65f69919782ddcbb1e698a9058503910..2c9fbdfe5130b358f54ef3af31f05fa2aeb2623e 100644
--- a/facebook__mms-tts-sgj-Surgujia/config.json
+++ b/facebook__mms-tts-sgj-Surgujia/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -71,10 +71,10 @@
     "ो": 7,
     "्": 1
   },
-  "pad": null,
+  "pad": "_",
   "blank": "े",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-shi-Tachelhit/config.json b/facebook__mms-tts-shi-Tachelhit/config.json
index d46c6f1be0651d2edd3aae1d5f56eed7519338a9..98f18a1c79a65f4f9ec1a59d2c77bdb4a2882896 100644
--- a/facebook__mms-tts-shi-Tachelhit/config.json
+++ b/facebook__mms-tts-shi-Tachelhit/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -57,10 +57,10 @@
     "ẓ": 31,
     "‐": 9
   },
-  "pad": null,
+  "pad": "_",
   "blank": "h",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sid-Sidamo/config.json b/facebook__mms-tts-sid-Sidamo/config.json
index 2f6fe8f4458abb323648ff5ef189c69454768c62..7aa47f16d5506e3dfb9419c53c293e42aec76907 100644
--- a/facebook__mms-tts-sid-Sidamo/config.json
+++ b/facebook__mms-tts-sid-Sidamo/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -59,10 +59,10 @@
     "z": 26,
     "|": 1
   },
-  "pad": null,
+  "pad": "_",
   "blank": "a",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sil-Sisaala_Tumulung/config.json b/facebook__mms-tts-sil-Sisaala_Tumulung/config.json
index 9913e398d188bbb7b607970100c4436420cf0cf0..2508111b1780af18503ade06e8358696f105f146 100644
--- a/facebook__mms-tts-sil-Sisaala_Tumulung/config.json
+++ b/facebook__mms-tts-sil-Sisaala_Tumulung/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -57,10 +57,10 @@
     "́": 32,
     "ↄ": 19
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sld-Sissala/config.json b/facebook__mms-tts-sld-Sissala/config.json
index 379361777446864a3cc29eeaa5ba4a2782fd978e..04c072745170b94f85ed79f14983f80a2bf0fa51 100644
--- a/facebook__mms-tts-sld-Sissala/config.json
+++ b/facebook__mms-tts-sld-Sissala/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -67,10 +67,10 @@
     "ṹ": 44,
     "ẽ": 39
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-snn-Siona/config.json b/facebook__mms-tts-snn-Siona/config.json
index 8f4b2fb3bc196c00c7b6fa1ba6a50f9e9030466d..ba322a4d51836dab228a5a76221129a4f943e0f4 100644
--- a/facebook__mms-tts-snn-Siona/config.json
+++ b/facebook__mms-tts-snn-Siona/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -62,10 +62,10 @@
     "ü": 6,
     "—": 25
   },
-  "pad": null,
+  "pad": "_",
   "blank": "2",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-snp-Siane/config.json b/facebook__mms-tts-snp-Siane/config.json
index 2ae170104fc26c05c8c7df383e5e1778714a3627..76dfabfa7d77cb96b78fcd1f61ba74c5c3421be3 100644
--- a/facebook__mms-tts-snp-Siane/config.json
+++ b/facebook__mms-tts-snp-Siane/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -45,10 +45,10 @@
     "y": 2,
     "á": 6
   },
-  "pad": null,
+  "pad": "_",
   "blank": "b",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-som-Somali/config.json b/facebook__mms-tts-som-Somali/config.json
index 4027bd0d619616efb56ab6880fdff1388de8e04a..f43a5f6d523e7530f27186bf755b6eb46569943b 100644
--- a/facebook__mms-tts-som-Somali/config.json
+++ b/facebook__mms-tts-som-Somali/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -48,10 +48,10 @@
     "x": 22,
     "y": 20
   },
-  "pad": null,
+  "pad": "_",
   "blank": "u",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-spa-Spanish/config.json b/facebook__mms-tts-spa-Spanish/config.json
index a141cd418a3a3e67050a65fe6478983f8936d249..61784230a37831549c3657bd683f5b6675ed7b5f 100644
--- a/facebook__mms-tts-spa-Spanish/config.json
+++ b/facebook__mms-tts-spa-Spanish/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -66,10 +66,10 @@
     "ü": 14,
     "—": 4
   },
-  "pad": null,
+  "pad": "_",
   "blank": "7",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git "a/facebook__mms-tts-spp-S\303\251noufo_Supyire/config.json" "b/facebook__mms-tts-spp-S\303\251noufo_Supyire/config.json"
index 08ffb37f08cb7f54e311a412ac9ef10d1641564f..d887c03a6ebd183cbbb31c9694757cfa63e791c0 100644
--- "a/facebook__mms-tts-spp-S\303\251noufo_Supyire/config.json"
+++ "b/facebook__mms-tts-spp-S\303\251noufo_Supyire/config.json"
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -72,10 +72,10 @@
     "̂": 45,
     "‐": 36
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sri-Siriano/config.json b/facebook__mms-tts-sri-Siriano/config.json
index 982b443de6d4434ac07cef977763c89158d9bbd2..7659d65e51d3e20dc3b0b82324ea23f17c94a17b 100644
--- a/facebook__mms-tts-sri-Siriano/config.json
+++ b/facebook__mms-tts-sri-Siriano/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -68,10 +68,10 @@
     "ẽ": 19,
     "—": 34
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-srn-Sranan_Tongo/config.json b/facebook__mms-tts-srn-Sranan_Tongo/config.json
index cc4853381b83693c1c0888fba6ebc5842b3a9831..8ed6f434e323d1661c6eb44bc10b083009349204 100644
--- a/facebook__mms-tts-srn-Sranan_Tongo/config.json
+++ b/facebook__mms-tts-srn-Sranan_Tongo/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -56,10 +56,10 @@
     "ê": 24,
     "ô": 26
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-srx-Sirmauri/config.json b/facebook__mms-tts-srx-Sirmauri/config.json
index 6fb40c7844ef6e9e67fc2c2c42bcbd5383b599eb..be7d34042cf84c3a075ab9f856a271e56d45b21c 100644
--- a/facebook__mms-tts-srx-Sirmauri/config.json
+++ b/facebook__mms-tts-srx-Sirmauri/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -85,10 +85,10 @@
     "्": 27,
     "‍": 49
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-suc-Subanon_Western/config.json b/facebook__mms-tts-suc-Subanon_Western/config.json
index a509620611de8e7d0ce36772bfe23267cfa5bbe5..5f33c1771ef51e01698cce0bd8771b118d5527f9 100644
--- a/facebook__mms-tts-suc-Subanon_Western/config.json
+++ b/facebook__mms-tts-suc-Subanon_Western/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -47,10 +47,10 @@
     "—": 22,
     "ꞌ": 13
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-suk-Sukuma/config.json b/facebook__mms-tts-suk-Sukuma/config.json
index 64ae08fea5f91b6a76ac9fa8d92e3517653ed950..6e5eb9ae3dacfc67c46b9219e71f2056b7094732 100644
--- a/facebook__mms-tts-suk-Sukuma/config.json
+++ b/facebook__mms-tts-suk-Sukuma/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -58,10 +58,10 @@
     "ī": 5,
     "ū": 3
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sun-Sunda/config.json b/facebook__mms-tts-sun-Sunda/config.json
index 8cb883e504f84629861c12588b21159344dfc542..f5c2c05f18faa8f5e151c10055cc8ade4f410c3d 100644
--- a/facebook__mms-tts-sun-Sunda/config.json
+++ b/facebook__mms-tts-sun-Sunda/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -58,10 +58,10 @@
     "z": 34,
     "|": 1
   },
-  "pad": null,
+  "pad": "_",
   "blank": "a",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sus-Susu/config.json b/facebook__mms-tts-sus-Susu/config.json
index fadc1355e9909629c3175ad882a513f9ed077536..91287cc9b4fd6cb59c69bbbf55811c0a0c4a82e7 100644
--- a/facebook__mms-tts-sus-Susu/config.json
+++ b/facebook__mms-tts-sus-Susu/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -48,10 +48,10 @@
     "ɛ": 7,
     "ɲ": 22
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-suz-Sunwar/config.json b/facebook__mms-tts-suz-Sunwar/config.json
index 924e7640efff25fb0434d063b87c87b3ee3ec405..484f19f11d7c5b04dfd36d9540426e64df1f59af 100644
--- a/facebook__mms-tts-suz-Sunwar/config.json
+++ b/facebook__mms-tts-suz-Sunwar/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -88,10 +88,10 @@
     "९": 55,
     "‍": 1
   },
-  "pad": null,
+  "pad": "_",
   "blank": "आ",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-swe-Swedish/config.json b/facebook__mms-tts-swe-Swedish/config.json
index 846f9e1cd5dfebb8a5298baacb8ee8ec8b81a20a..46e9c15a5005baab0131f9cbc46f631439ff4f8e 100644
--- a/facebook__mms-tts-swe-Swedish/config.json
+++ b/facebook__mms-tts-swe-Swedish/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -58,10 +58,10 @@
     "ö": 19,
     "–": 6
   },
-  "pad": null,
+  "pad": "_",
   "blank": "x",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-swh-Swahili/config.json b/facebook__mms-tts-swh-Swahili/config.json
index efd8fd7ae3da2c07002946ca13373319cc7b8c74..14084ee60d8a621661f37e8e42413fd538c38fe6 100644
--- a/facebook__mms-tts-swh-Swahili/config.json
+++ b/facebook__mms-tts-swh-Swahili/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -60,10 +60,10 @@
     "z": 28,
     "ʼ": 35
   },
-  "pad": null,
+  "pad": "_",
   "blank": "2",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sxb-Suba/config.json b/facebook__mms-tts-sxb-Suba/config.json
index b0ebcb570ab4fc4809165639fe68a366f25b1cdc..723e79c029049cc09207b513074c03bb888a5a74 100644
--- a/facebook__mms-tts-sxb-Suba/config.json
+++ b/facebook__mms-tts-sxb-Suba/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -53,10 +53,10 @@
     "y": 4,
     "z": 20
   },
-  "pad": null,
+  "pad": "_",
   "blank": "r",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-sya-Siang/config.json b/facebook__mms-tts-sya-Siang/config.json
index 17901b53b8ef5effdec09d3cd6d8cc007f7d1699..88a41c61a1d3ad9cd8bee6347c626cdf9aee9b45 100644
--- a/facebook__mms-tts-sya-Siang/config.json
+++ b/facebook__mms-tts-sya-Siang/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -47,10 +47,10 @@
     "y": 12,
     "–": 8
   },
-  "pad": null,
+  "pad": "_",
   "blank": "a",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-syl-Sylheti/config.json b/facebook__mms-tts-syl-Sylheti/config.json
index 241bbd381c51b8823b6ab0e9ebaae35c1d85654d..3c4fd81cd7fa186132c7639b4796be6da66a9578 100644
--- a/facebook__mms-tts-syl-Sylheti/config.json
+++ b/facebook__mms-tts-syl-Sylheti/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -53,10 +53,10 @@
     "ṭ": 20,
     "—": 30
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tac-Tarahumara_Western/config.json b/facebook__mms-tts-tac-Tarahumara_Western/config.json
index 08299b2fe953a8b5da6a21f150695f080e14aa74..e6e0e5dd93ff020d17effad31ba6fdf7617c776a 100644
--- a/facebook__mms-tts-tac-Tarahumara_Western/config.json
+++ b/facebook__mms-tts-tac-Tarahumara_Western/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -55,10 +55,10 @@
     "ú": 31,
     "—": 23
   },
-  "pad": null,
+  "pad": "_",
   "blank": "n",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-taj-Tamang_Eastern/config.json b/facebook__mms-tts-taj-Tamang_Eastern/config.json
index 4f4d50b369757fb8fba58c92012cc5de90b79dd8..8eb108373d95e11e571bba1ed0555799171ca446 100644
--- a/facebook__mms-tts-taj-Tamang_Eastern/config.json
+++ b/facebook__mms-tts-taj-Tamang_Eastern/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -84,10 +84,10 @@
     "६": 58,
     "‍": 4
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tam-Tamil/config.json b/facebook__mms-tts-tam-Tamil/config.json
index a15ef9f28d6dbb4f2311878d9c19cc1432d551f8..d286e847ec05502d81d98f9190c90af789670562 100644
--- a/facebook__mms-tts-tam-Tamil/config.json
+++ b/facebook__mms-tts-tam-Tamil/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -79,10 +79,10 @@
     "ௌ": 40,
     "்": 18
   },
-  "pad": null,
+  "pad": "_",
   "blank": "3",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tap-Taabwa/config.json b/facebook__mms-tts-tap-Taabwa/config.json
index 11866063270a00c1ddba3b615a87cabb839287c4..bb1ce814c2df50ad24658a43add3776e6e1f7e21 100644
--- a/facebook__mms-tts-tap-Taabwa/config.json
+++ b/facebook__mms-tts-tap-Taabwa/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -57,10 +57,10 @@
     "y": 20,
     "z": 5
   },
-  "pad": null,
+  "pad": "_",
   "blank": "w",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-taq-Tamasheq/config.json b/facebook__mms-tts-taq-Tamasheq/config.json
index b5ebc4d1ebf054de0a6cc8527bd58ccde63f7792..b89fd9a92f9a481409c6a04c98fb0bdf08d9e953 100644
--- a/facebook__mms-tts-taq-Tamasheq/config.json
+++ b/facebook__mms-tts-taq-Tamasheq/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -59,10 +59,10 @@
     "ṭ": 13,
     "ẓ": 3
   },
-  "pad": null,
+  "pad": "_",
   "blank": "w",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tbc-Takia/config.json b/facebook__mms-tts-tbc-Takia/config.json
index c9e975ef30b8f6605f2554647ef809d2cb5ce5d2..d8fb92217c25b2086e6b020ea3623a12d971658d 100644
--- a/facebook__mms-tts-tbc-Takia/config.json
+++ b/facebook__mms-tts-tbc-Takia/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -58,10 +58,10 @@
     "|": 0,
     "ŋ": 12
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tbg-Tairora_North/config.json b/facebook__mms-tts-tbg-Tairora_North/config.json
index de70c9c32496cdb1d4970fe272382b96d5fe9a06..fdec0f06ddf27ccda1c9730f55d17d5778a363d9 100644
--- a/facebook__mms-tts-tbg-Tairora_North/config.json
+++ b/facebook__mms-tts-tbg-Tairora_North/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -61,10 +61,10 @@
     "˼": 15,
     "—": 16
   },
-  "pad": null,
+  "pad": "_",
   "blank": "h",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tbk-Tagbanwa_Calamian/config.json b/facebook__mms-tts-tbk-Tagbanwa_Calamian/config.json
index c19c2c03876f8aed3b83048bbf3bbe68fe7aa616..ea790598a007e65cedac15d075897f77c95f246c 100644
--- a/facebook__mms-tts-tbk-Tagbanwa_Calamian/config.json
+++ b/facebook__mms-tts-tbk-Tagbanwa_Calamian/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -65,10 +65,10 @@
     "̠": 31,
     "̱": 16
   },
-  "pad": null,
+  "pad": "_",
   "blank": "a",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tby-Tabaru/config.json b/facebook__mms-tts-tby-Tabaru/config.json
index 709c8284cb8ad650a62b572a8787d384c585791f..383d0657937153b95129018d33bdcc066d7d1134 100644
--- a/facebook__mms-tts-tby-Tabaru/config.json
+++ b/facebook__mms-tts-tby-Tabaru/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -59,10 +59,10 @@
     "|": 0,
     "–": 34
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tdj-Tajio/config.json b/facebook__mms-tts-tdj-Tajio/config.json
index 350f30fce3863fa3cbae8fe00b055c19893cb70c..8eaf5813534f81457f29f9dfa4d88775b64f04b0 100644
--- a/facebook__mms-tts-tdj-Tajio/config.json
+++ b/facebook__mms-tts-tdj-Tajio/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -48,10 +48,10 @@
     "y": 0,
     "ꞌ": 21
   },
-  "pad": null,
+  "pad": "_",
   "blank": "y",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tgj-Tagin/config.json b/facebook__mms-tts-tgj-Tagin/config.json
index 5699d856f0cf376b76ed10736d872f770d228732..2d1a2ee88fbb80ee7d9c6d2a68c7ccce5e37ef55 100644
--- a/facebook__mms-tts-tgj-Tagin/config.json
+++ b/facebook__mms-tts-tgj-Tagin/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -55,10 +55,10 @@
     "|": 0,
     "—": 23
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tgk-Tajik/config.json b/facebook__mms-tts-tgk-Tajik/config.json
index 9e28b180ecc6d77ff48d618ecd4f42b16c5e3bd3..4d298dff8490c72a97514c103d078435d0d4023d 100644
--- a/facebook__mms-tts-tgk-Tajik/config.json
+++ b/facebook__mms-tts-tgk-Tajik/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -62,10 +62,10 @@
     "‐": 32,
     "—": 19
   },
-  "pad": null,
+  "pad": "_",
   "blank": "о",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tgl-Tagalog/config.json b/facebook__mms-tts-tgl-Tagalog/config.json
index 6eb59a56ff5501c4d57efa56f5ad73887e703ca2..8ec3b52765113a5d774cd2f9921d82a0a4a7b365 100644
--- a/facebook__mms-tts-tgl-Tagalog/config.json
+++ b/facebook__mms-tts-tgl-Tagalog/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -64,10 +64,10 @@
     "ʼ": 1,
     "–": 18
   },
-  "pad": null,
+  "pad": "_",
   "blank": "a",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tgo-Sudest/config.json b/facebook__mms-tts-tgo-Sudest/config.json
index 97912eec0890a8bee1958ab87400c27527ad14db..71b61b434092c030706b229f6d794d24d863489f 100644
--- a/facebook__mms-tts-tgo-Sudest/config.json
+++ b/facebook__mms-tts-tgo-Sudest/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -54,10 +54,10 @@
     "ɨ": 15,
     "—": 2
   },
-  "pad": null,
+  "pad": "_",
   "blank": "_",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tgp-Tangoa/config.json b/facebook__mms-tts-tgp-Tangoa/config.json
index c702a1a5e6a1f3a4d9198259aee60b9b6e27cf71..4c4ec07f923ecf709acaa0d766ab81b65bcdc707 100644
--- a/facebook__mms-tts-tgp-Tangoa/config.json
+++ b/facebook__mms-tts-tgp-Tangoa/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -64,10 +64,10 @@
     "–": 38,
     "—": 39
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tlj-Talinga-Bwisi/config.json b/facebook__mms-tts-tlj-Talinga-Bwisi/config.json
index e0e4bdc11eeb1a531ae5f0b21f0098fb1a52b27f..91dca46590021080c343357c31d751e5a6eeaa8d 100644
--- a/facebook__mms-tts-tlj-Talinga-Bwisi/config.json
+++ b/facebook__mms-tts-tlj-Talinga-Bwisi/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -51,10 +51,10 @@
     "ʼ": 10,
     "̱": 8
   },
-  "pad": null,
+  "pad": "_",
   "blank": "y",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tly-Talysh/config.json b/facebook__mms-tts-tly-Talysh/config.json
index 66743093b582f864e69d60f2114a199062bc5e6b..95f1df582a97614d31928cb6d011c5cfb6ffa4f5 100644
--- a/facebook__mms-tts-tly-Talysh/config.json
+++ b/facebook__mms-tts-tly-Talysh/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -61,10 +61,10 @@
     "̇": 39,
     "–": 20
   },
-  "pad": null,
+  "pad": "_",
   "blank": "t",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tna-Tacana/config.json b/facebook__mms-tts-tna-Tacana/config.json
index 5c754d63e8e38d41ffe3776ff7e476d5e360424f..17cd7fe087280257fe33bc46fc49f257e1094e0d 100644
--- a/facebook__mms-tts-tna-Tacana/config.json
+++ b/facebook__mms-tts-tna-Tacana/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -58,10 +58,10 @@
     "ú": 34,
     "—": 6
   },
-  "pad": null,
+  "pad": "_",
   "blank": "i",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tnn-Tanna_North/config.json b/facebook__mms-tts-tnn-Tanna_North/config.json
index f3dde43725861aa59553b1c0f7fee65201922eb9..82e8bb87e9cc5a7f76ed7b177222c665d35f3090 100644
--- a/facebook__mms-tts-tnn-Tanna_North/config.json
+++ b/facebook__mms-tts-tnn-Tanna_North/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -48,10 +48,10 @@
     "ə": 0,
     "ɨ": 11
   },
-  "pad": null,
+  "pad": "_",
   "blank": "ə",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-tpm-Tampulma/config.json b/facebook__mms-tts-tpm-Tampulma/config.json
index 64d7492f484ca86b32a2dd6a57f670258bc5795b..3de78e41710595de23e307d524e2ec976cbc405d 100644
--- a/facebook__mms-tts-tpm-Tampulma/config.json
+++ b/facebook__mms-tts-tpm-Tampulma/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -51,10 +51,10 @@
     "ɔ": 18,
     "ɛ": 8
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-ttq-script_tifinagh-Tamajaq_Tawallammat/config.json b/facebook__mms-tts-ttq-script_tifinagh-Tamajaq_Tawallammat/config.json
index c5566ac5dc81e79a76dbbe572c77964f6a368fbe..5ef336e27dc010c597aa6c5e5a4517e1181be4c5 100644
--- a/facebook__mms-tts-ttq-script_tifinagh-Tamajaq_Tawallammat/config.json
+++ b/facebook__mms-tts-ttq-script_tifinagh-Tamajaq_Tawallammat/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -47,10 +47,10 @@
     "ⵤ": 14,
     "⵿": 15
   },
-  "pad": null,
+  "pad": "_",
   "blank": "|",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,
diff --git a/facebook__mms-tts-xog-Soga/config.json b/facebook__mms-tts-xog-Soga/config.json
index 41d2e9821ffc548ab8ebfa1dfdc39bb471d0c9d8..d20a0cf32ae277b6956148c647afd9e83468fbe5 100644
--- a/facebook__mms-tts-xog-Soga/config.json
+++ b/facebook__mms-tts-xog-Soga/config.json
@@ -13,7 +13,7 @@
   "speaker_id_map": {},
   "lang_id_map": {},
   "phonemizer_model": null,
-  "add_diacritics": false,
+  "add_diacritics": true,
   "inference": {
     "noise_scale": 0.667,
     "length_scale": 1.0,
@@ -47,10 +47,10 @@
     "y": 0,
     "z": 21
   },
-  "pad": null,
+  "pad": "_",
   "blank": "y",
-  "bos": null,
-  "eos": null,
+  "bos": "^",
+  "eos": "$",
   "add_blank_char": true,
   "add_blank_word": false,
   "use_eos_bos": false,