Ihi , ma yella d tuget n tutlayin timaziɣin tizennatiyin ,anagraw aniɣri-nsent d igelliil .Tuget n yimnuda ixedmen tizrawin ɣef tmeslayin-a sumren-d kraḍ n teɣra ueččuren i  ,a  , u .Tiɣraya yesɛan aẓayer imesnisel ttḥulfunt nezzeh i twennaḍt timsiselt (Chaker , 1991b ),Zemrent ad beddlent iziwel aniɣri ilmend n yideg-nsent deg wawal akked tergalin i sent-id-yezzin , xersum ma mlalent d tergalin timesgerjatin (tufayin) akked d yimesla imesgerjam (   ,    ,  q  ...).Deg tegnatin am ti , tiɣra-ya tteldint ugar .Imedyaten :  Tiɣra [u ] mi ara temlil d tergalt tufayt tettuɣal d  o  : [ o ] = [ ḍo] = aḍu . Tiɣra mi ara temlil d tergalt tufayt tettuɣal d    tamsedfirt : [ at:n ] = [ ṭṭn ]=aṭṭan .