| ```python | |
| mapping = { | |
| "empty motherboards": "unknown", | |
| "ems-envelope": "unknown", | |
| "en25q32b": "unknown", | |
| "enclosures": "unknown", | |
| "enco blocks": "unknown", | |
| "enco i": "unknown", | |
| "endcaps": "unknown", | |
| "energy saving lightbulbs": "unknown", | |
| "enermax": "unknown", | |
| "enermax - all models": "unknown", | |
| "enermax 1000w": "unknown", | |
| "enermax 1000w psu": "unknown", | |
| "enermax 1050": "unknown", | |
| "enermax 350w psu": "unknown", | |
| "enermax 500w": "unknown", | |
| "enermax 850": "unknown", | |
| "enermax 87+": "unknown", | |
| "enermax d.f. storm 120mm": "unknown", | |
| "enermax gx750": "unknown", | |
| "enermax gx850 psu": "unknown", | |
| "enermax naxn 500": "unknown", | |
| "enermax naxn 500w psu": "unknown", | |
| "enermax platimax 1350w": "unknown", | |
| "enermax platimax epm1000ewt": "unknown", | |
| "enermax platimax epm1000ewt power supply": "unknown", | |
| "enermax platinum 1600 gold": "unknown", | |
| "enermax power supply": "unknown", | |
| "enermax powered revolution87+ model": "unknown", | |
| "enermax psu": "unknown", | |
| "enermax revolution 87 psus": "unknown", | |
| "enermax revolution 87+ 1000w": "unknown", | |
| "enermax revolution 87+ 1000w psu": "unknown", | |
| "enermax twisterstorm": "unknown", | |
| "engine generator": "unknown", | |
| "engineering boards": "unknown", | |
| "enhanced firmware": "unknown", | |
| "envelopes": "unknown", | |
| "ep3 boards": "unknown", | |
| "ep4se530": "unknown", | |
| "epo": "unknown", | |
| "epower 450w juice box": "unknown", | |
| "erupter": "unknown", | |
| "erupter blade": "unknown", | |
| "erupter blades": "unknown", | |
| "erupter cubes": "unknown", | |
| "erupter overclocking parts": "unknown", | |
| "erupter usb": "unknown", | |
| "erupter usbs": "unknown", | |
| "erupters": "unknown", | |
| "eruptor": "unknown", | |
| } | |
| ``` |