-aaa- aabaa aabba aabra abaab ababa abaka abara abaza abbar abkar abrak abrar abzar akaba akaza akbar akkra akrak akrar ar-ab arab- araba arara arbab arbar arbaz arkar arrak arzak azaka azara azbar azrak azrar b-r-k babak babar babka babra bakar bakka bakra baraa barab barak barar baraz barba bark- barka barra barza bazar braak braza brrar brrrr k-rab kaaba kabaa kabab kabak kabar kabba kakar kakka kakra karak karka kazaa kazak kazar kazaz kraak kraar kraka ra-ra raaba rabab rabak rabba rakaa rakab raz-b razab razar za-za zaara zabak zabar zabka zabra zakka zarab zarak zarka zarra zarza zazar zbarz zzzzz