??, ???? ???? ?? “????? ??? ?? ?????? ?????? ?”? ?????? ?? ??????. ??·?? ????????? ???? ??? ???????????? ???????? ??????????. ??????? ???? ??????????.If a grammatical theory that's additional to ????can be a vowel ??and there is no other solution besides a vowel ??then that grammatical theory can not be extra to ??????????????????????????????