| Answer | Crossword Clue |
|---|---|
| SSRS | Latvia and Estonia, once: Abbr. |
| SSRS | Estonia and Latvia, once: Abbr. |
| SSRS | Estonia and Latvia, once (abbr.) |
| SATELLITESTATES | Latvia and Estonia, once |
| SSRS | Estonia and Latvia, formerly (abbr.) |
| SSRS | Estonia and Latvia, formerly: Abbr. |
| SSRS | Estonia, Georgia and Latvia, formerly (Abbr.) |
| SSRS | Latvia and Estonia, at one time (abbr.) |
| SSRS | Estonia and Armenia, once: Abbr. |
| SSRS | Georgia and Latvia, once: Abbr. |
| SSRS | Georgia and Latvia, once (abbr.) |
| SSRS | Latvia and Lithuania, once: Abbr. |
| SSRS | Latvia and Ukraine, once: Abbr. |
| SSRS | Lithuania and Latvia, once: Abbr. |
| SSRS | What Latvia and Belarus once were: Abbr. |
