Yettili-d ubeddel seg waddad ilelli ɣer waddad amaruz ama s uɣelluy neɣ s ubeddel n teɣr tamezarut. Ismawen ibeddun s teɣri /a/ deg waddad ilelli ttuɣalen beddun s teɣri /u/ deg waddad amaruz, mayella d ismawen ibeddun s teɣri /i/ deg waddad ilelli mi ara yuɣalen ɣer waddad amaruz, irennu uzgen teɣri /y/ sdat n teɣri /i/.