| Acronym | Meaning |
 | AGO | Angola (ISO 3166 Trigram) |
| UYU | Uruguayan Peso Uruguayo (ISO 4217 Currency Code) |
| FOS | Family Of Systems |
| SA | Sanskrit Language (ISO 639-1 Code) |
| CU | Old Church Slavonic Language (ISO 639-1 Code) |
| MORP | Meteorite Observation And Recovery Project |
| PAN | STARRS -Panoramic Survey Telescope And Rapid Response System |
| PCI | U.S. Pacific Islands Trust Territory (ISO 3166 Trigram; Obsolete 1986) -Peripheral Component Interconnect (computer Bus) |
| AK | Alaska (postal Symbol) |
| YS | Yottasiemens |
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