??, ???? ???? ?? “????? ??? ?? ?????? ?????? ?”? ?????? ?? ??????. ??·?? ?????????????? ??? ???? ???????? ??????? ??.If a grammatical principle that is certainly included to ????can be a vowel ??and there's no other option other than a vowel ??then that grammatical theory can not be extra to ????- ???? ?????????? ???? ???????? ?????????? ?????