| Answer | Crossword Clue |
|---|---|
| SSRS | Azerbaijan and Ukraine, once: Abbr. |
| SSRS | Azerbaijan and Ukraine, once (Abbr.) |
| SSRS | Armenia and Azerbaijan, once: Abbr. |
| SSRS | Azerbaijan and Belarus, once: Abbr. |
| SSRS | Georgia and Ukraine, once: Abbr. |
| SSRS | Ukraine and others, once: Abbr. |
| SSRS | Latvia and Ukraine, once: Abbr. |
| SSRS | Belarus and Ukraine, once: Abbr. |
