The clue "Cold War letters" last appeared in the Universal crossword on March 21, 2021. The correct answer for this puzzle is "USSR", a 4-letter word.
Solution USSR is our most searched for solution by our visitors. Solution USSR is 4 letters long. We have 0 further solutions of the same word length.
There are 3 solutions. The longest is USSR with 4 letters, and the shortest is SSR with 3 letters.
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Solutions are between 3 and 4 letters long.