- ??? ????(????? ??)???? ?? ????????? ?? ???? ??.???????????? ??? ???? ???????? ??????? ??.?????????? ???? ?? ???????? ???????? ?? ?? ?? ???????????????????? ?????????? ??? ???????????? ?? ?? ???????? ????????????????.If a grammatical principle that is added to ????is often a vowel ??and there is no other possibility other than a vowel ??then that