??? ?????? ?????? ??????????? ????????????? ???????? ??????????, ?? ??????????? ??????????, ?????, ??? ???????? ? ??????,? ?????? ?? ??????????? ??????????!??? is an old Proto-Slavic close central vowel, thought to have been preserved better in modern Russian than in other Slavic languages.????? ?????? ? ????? ?????? ???? ???????? ??????. ??? ?????