-aaa- aabaa aabba aabra aarna abaab ababa abaka abana abank abann abara abarn abban abbar abkar abnak abrak abran abrar akaba akana akban akbar akkra akrak akrar anaba anaka anana anara anban anbar ankaa annan annar ar-ab arab- araba arana arank arara arbab arbar arkan arkar arkna arnan arnar arrak arran b-r-k baarn babak baban babar babka babra bakan bakar bakka bakra banak banan banar banba banka banna baraa barab barak baran barar barba bark- barka barna barra braak brana brank brann brrar brrrr k-rab kaaba kabaa kabab kabak kaban kabar kabba kakan kakar kakka kakra kanab kanak kanka kanna karak karan karka karna kbank knark knarr kraak kraan kraar kraka krank krnka naaak naban nabar nabba nakar nakba nanak nanan nanka nann- nanna narak naran narka narra nkana nkara nrank ra-ra raaba rabab rabak raban rabba rakaa rakab rakan ranka ranna