| Acronym | Meaning |
 | R&B | Rhythm And Blues |
| BIF | Burundian Franc (ISO 4217 Currency Code) |
| UUA | Unitarian Universalist Association |
| A4 | Many |
| SIP | Session Initiation Protocol - State Implementation Plan - System Improvement Program - Systematic Investment Plan |
| CACM | Communications Of The ACM |
| USDOE | United States Department Of Energy |
| NHB | New Hebrides (ISO 3166 Trigram; Obsolete 1980) |
| FEP | Firepower Enhancement Program - Fleet Satellite (FLTSAT) Extremely High Frequency (EHF) Package |
| OTOH | On The Other Hand |
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