Crossword clues for An S.S.R. 3 lettersAnswerClueCISPost-U.S.S.R. allianceRUSAn S.S.R.OSHKirghiz S.S.R. citySOVThe first "S" in S.S.R.: Abbr.ESTFormer S.S.R.CISPost-U.S.S.R. blocESTONIANAn S.S.R. languageODESSACity in Ukranian S.S.R.LITHAn S.S.R.ESTHSPeople of an S.S.R.LITHVilnius's S.S.R.SOVIETPart of S.S.R.MIRVAnti-U.S.S.R. weaponLITHVilna's S.S.R.SAMARKANDS.S.R. dig unearths a German coin?LITHS.S.R. countryTANNU___-Tuva, predecessor of an S.S.R.