a-ak aaaa aaab aaam aaar aaba aabb aabm aaka aaku aama aamb aamr aara aarm aaru abaa abab abak abam abar abau abb- abba abbb abbr abma abmb abra abua abuk abum akaa akam akar akka akku akr- akra akua amaa amam amar amb- amba ambr ambu amka amm- amma ammu amra amua amum amur arab arak aram arar arau arba arka arma armm armu arr- arra arrk arrr arru arua arub arum auaa auma aur- aura baaa baak baam baar baba babb babm babr babu bak- baka bakr baku bama bamb bamm bamu bar- bara barb bark barm barr baru bau- bauk baum baur bbau bbbb bmaa brab brak bram brau brka brkb brrm brrr brum buar buba bubb bubu buka bukk buku bum- buma bumb bur- bura burb burk burm burr buru kaaa kaab kaak kaam kaar kaba kabb kabr kabu kaka kakk kakm kaku kam- kama kamb kamm kamr kamu kara karb kark karm karr karu kau- kaub kauk kaum kaur kbaa kbab kbak kbam kbar kbba kbbb kbbk kbbm kbbr kbbu kbkb kbkk kbkr kbmb kbmr kbra kbrb kbrk kbru kbua kbub kbuk kbur kbuu kkaa kkam kkar kkba kkbb kkbr kkkk kkma kkmk kkmr kkrb kkrk kkrr kkua kkuu kmak kmam kmbr kmkk kmmk kmmm kmmr kmrb kmrr kmur krab krak kram krar krba krbb krbk krbm krbr krka krkk krkr krku krma krmb krmr krrb krrk krrm krrr krua kruk krum krur kuam kuar kuau kuba kubb kubr kubu kuka kukk kuku kuma kumm kumr kumu kura kurb kurk kurm kurr kuru kuub kuuk kuur kuuu maaa maak maam maar maba mabu maka maku mama mamu mar- mara mark marm marr maru maua mauk maum maur mbam mbba mkak mmaa mmab mmar mmmm mrbb mrbm mrkr mruk muak muar muka muma mumm mumu mura murk murr muru raab raak raam raba rabb rabk rabu raka rakk raku rama ramb ramm ramu rara rarb rark raua raub rauk raum rbbb rbbr rbmk rrkm rrrr rrum ruba rubb rubu ruka rukk ruku ruma rumb rumm rura ruru uaru uaua ubar ubba ubra ukba ukma ukra ukum ukur umaa umak umar umb- umba umka umma umra urau urba urka urma urra uruk urum urur uuuu