a-ak aaaa aaab aaar aaba aabb aabt aaka aaku aara aart aaru aata aatk aatt abaa abab abak abar abat abau abb- abba abbb abbr abbt abra abta abtu abua abuk abut akaa akar akka akku akr- akra akua arab arak arar arat arau arba arka arr- arra arrk arrr arrt arru arta artr arua arub arut at-t ataa atab atak atar atat atka atkt atra atrk atru atta attr attu atua atub atuk atur auaa aur- aura aut- baaa baak baar baat baba babb babr babu bak- baka bakr bakt baku bar- bara barb bark barr bart baru bata batt batu bau- bauk baur bbau bbbb brab brak brat brau brka brkb brrr brut btaa btrt bttb buar buat buba bubb bubu buka bukk buku bur- bura burb burk burr burt buru but- buta butt kaaa kaab kaak kaar kaat kaba kabb kabr kabu kaka kakk kakt kaku kara karb kark karr kart karu kat- kata katb katk katr katt katu kau- kaub kauk kaur kbaa kbab kbak kbar kbat kbba kbbb kbbk kbbr kbbt kbbu kbkb kbkk kbkr kbra kbrb kbrk kbrt kbru kbta kbtb kbtk kbtr kbtt kbua kbub kbuk kbur kbut kbuu kkaa kkar kkat kkba kkbb kkbr kkbt kkkk kkrb kkrk kkrr kkrt kktk kktu kkua kkut kkuu krab krak krar krat krba krbb krbk krbr krbt krka krkk krkr krku krrb krrk krrr krrt krta krtk krtr krua kruk krur ktaa ktak ktar ktat ktba ktbb ktbr ktbt ktbu ktkb ktkk ktkr ktkt ktku ktrb ktrk ktrr ktrt ktru kttk kttr kttt kttu ktub kuar kuat kuau kuba kubb kubr kubu kuka kukk kuku kura kurb kurk kurr kurt kuru kuta kutr kutt kutu kuub kuuk kuur kuuu raab raak raat raba rabb rabk rabu raka rakk rakt raku rara rarb rark rata ratk ratt ratu raua raub rauk raut rbbb rbbr rrat rrrr ruba rubb rubu ruka rukk ruku rura ruru ruta rutt rutu taa- taar taat taba tabb tabu taka takk takt taku tara tarb tark tarr tart taru tata tatb tatr tatt tatu taua taub tauk taur taut tbar tbrb tbta traa trab trak trat trau trra trtr trub truk trut truu ttab ttbb tttt tuak tuar tuat tuba tubb tubr tubu tuka tura turb turk turr turt turu tuta tutt tutu uart uaru uata uatu uaua ubar ubba ubra ukba ukra ukta ukur urat urau urba urka urra uruk urur urut utau uttu uuta uuuu