????????? ??, ?? ?? ?????????? ????, ?????? ?? ?? ??????????? ???????????? ???? ????. ???? ????? ???? ???? ?? ?? ???? ???? ??? ?????? ?????????????????????????????. '(??, ?? ??) ??????'?? ???????? ???? ???????If a grammatical basic principle which is included to ????is usually a vowel ??and there is no other option other than a vowel ??then that