??(??)?? ????????????, ???????????? ???? '?? ????'???? ??, ?? ?????????? ???????????????? ?????? ???? ????????.  ???? ?????? ?? ???????? ?? ?? ?? ?? ?? ?? ?? ??If a grammatical theory that's included to ????is often a vowel ??and there is no other choice in addition to a vowel ??then that grammatical theory can not be extra to ??????????????????