?? ??????)??????? ?????? ?? ????, ??, ?? ?? ????.If a grammatical theory that is certainly added to ????is actually a vowel ??and there is no other option apart from a vowel ??then that grammatical principle cannot be additional to ???????? ??????? ???????? ???????. ??? ????????????????????? ???? ???? ?? ???? ?????? ??- ???? ??: ??, ??, ???????????