???? & ?????? ???????? ???????? ???? ?? ??? ?? ???? ?? ?????????????????? ???? ?????????? ??? ?? ???????If a grammatical principle that's added to ????can be a vowel ??and there is no other solution apart from a vowel ??then that grammatical principle can't be extra to ????- ???? ?????????? ???? ???????? ?????????? ??????????? ????????. ???? ------