ttu: yettili-d usileɣ n uttwaɣ s tmerna n ulɣac ttu-, ticki amyag ila afeggag aɣezzfanneɣ imyagen yesɛan snat n tergalin akked teɣri tagensant (RɣR): ttucudd < ttu +cudd, ttubeddel < ttu + beddel.