??, ???? ???? ?? “????? ??? ?? ?????? ?????? ?”? ?????? ?? ??????. ??·?? ???????? ?? ?????????????????, ??? ??, ?????? ?? ??, ?? ???????? ?? ??, ?? ?????? ?? ?? ????????????.???????? ?????????????? ?????? ???? ???????? ???????????? ?????? ????()?? ?? ???? ????.If a grammatical principle that may be additional to ????is a vowel ?