a-ak aaaa aaab aaar aaav aaba aabb aabt aaka aaku aara aart aaru aata aatk aatt aava abaa abab abak abar abat abau abb- abba abbb abbr abbt abra abta abtu abua abuk abut abva akaa akar akka akku akr- akra aktv akua arab arak arar arat arau arba arka arr- arra arrk arrr arrt arru arta artr artv arua arub arut arva at-t ataa atab atak atar atat atka atkt atkv atra atrk atru atta attr attu atua atub atuk atur auaa aur- aura aut- avab avar avat avkt avra avur avva 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 bava bavu bbau bbbb brab brak brat brau brav brka brkb brrr brut bruv 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 karv kat- kata katb katk katr katt katu katv kau- kaub kauk kaur kava kavb kavu kavv kbaa kbab kbak kbar kbat kbba kbbb kbbk kbbr kbbt kbbu kbkb kbkk kbkr kbkv kbra kbrb kbrk kbrt kbru kbrv kbta kbtb kbtk kbtr kbtt kbtv kbua kbub kbuk kbur kbut kbuu kbva kbvb kbvr kbvu kkaa kkar kkat kkba kkbb kkbr kkbt kkkk kkrb kkrk kkrr kkrt kkrv kktk kktu kktv kkua kkut kkuu kkvr kkvt kkvu kkvv krab krak krar krat krav krba krbb krbk krbr krbt krka krkk krkr krku krkv krrb krrk krrr krrt krta krtk krtr krtv krua kruk krur krva krvb krvk krvr krvv ktaa ktak ktar ktat ktav ktba ktbb ktbr ktbt ktbu ktkb ktkk ktkr ktkt ktku ktrb ktrk ktrr ktrt ktru ktrv kttk kttr kttt kttu kttv ktub ktuv ktva ktvb ktvk ktvr ktvt ktvu kuar kuat kuau kuba kubb kubr kubu kuka kukk kuku kura kurb kurk kurr kurt kuru kurv kuta kutr kutt kutu kutv kuub kuuk kuur kuuu kuva kuvr kvab kvak kvar kvat kvbr kvbt kvra kvrr kvrv kvta kvtk kvtr kvtt kvtv kvuu kvvr kvvv raab raak raat raba rabb rabk rabu raka rakk rakt raku rara rarb rark rata ratk ratt ratu raua raub rauk raut rava rbbb rbbr rrat rrrr rtva ruba rubb rubu ruka rukk ruku rura ruru ruta rutt rutu ruvu taa- taar taat taba tabb tabu taka takk takt taku tara tarb tark tarr tart taru tata tatb tatr tatt tatu tatv taua taub tauk taur taut tava tbar tbrb tbta traa trab trak trat trau trav 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 tuva tvrr tvtv uart uaru uata uatu uatv uaua ubar ubba ubra ukba ukra ukta uktv ukur urat urau urba urka urra uruk urur urut urva utau uttu uuta uuuu uv-a uv-b uvaa uvat uvvu vaar vaat vaka vara vark varr vart varu vata vatt vatu vaut vava vrak vrav vrba vruk vuka vuku vurb vurt vutv vvvv