?????? ?? ?? ?? ???? ???????????? ??????????- ???? ???? ?? ???? ?????? ???????? ?? ??? ?? ???????? ?? ????????(?? ?????????????? ??????????????)?? ?????? ?? ?????? ???? ????. ??, ?? ?? ??? ?? ?????????? ?? ?? ????If a grammatical principle that is definitely included to ????can be a vowel ??and there is no other choice aside from a vowel ??then tha