????????? ??, ?? ?? ?????????? ????, ?????? ?? ?? ??????????? ???????????? ???? ????. ???? ????? ???? ???? ?? ?? ???? ???? ??? ?????? ?????????????????????????????.?????????? ???? ?????????? ??? ?? ????????? ?? ???? ?? ??????If a grammatical principle that may be added to ????is really a vowel ??and there's no other option aside from a vowel ??then