| Acronym | Meaning |
 | TO | Togo (FIPS 10-4 Country Code) - Tonga (ISO 3166 Digram) |
| NRAO | National Radio Astronomy Observatory |
| PSE | Palestine (ISO 3166 Trigram) |
| MI | Mebi |
| VCJD | Variant Creutzfeldt-Jakob Disease |
| SC | Sardinian Language (ISO 639-1 Code) |
| CIA | Cairo International Airport - Central Intelligence Agency - Culinary Institute Of America |
| OASIS | Ontario Association Of Sewage Industry Services |
| FRO | Faroe Islands (ISO 3166 Trigram) |
| NACISA | NATO Communications And Information Systems Agency |
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