a-ak aaaa aaab aaap aaar aaba aabb aabp aaka aaku aapa aara aarp aaru aaup abaa abab abak abap abar abau abb- abba abbb abbr abpa abpp abpr abra abua abuk akaa akap akar akka akku akpu akr- akra akua apak apap apar apba apbr appa appr appu apra apua apup arab arak arap arar arau arba arka arpa arpu arr- arra arrk arrr arru arua arub arup auaa aur- aura baaa baak baar baba babb babr babu bak- baka bakr baku bapa bapp bapu bar- bara barb bark barr baru bau- bauk baur bbau bbbb bbpr bkpr brab brak brau brka brkb brrr brup buar buba bubb bubu buka bukk buku bupa bur- bura burb burk burp burr buru kaaa kaab kaak kaap kaar kaba kabb kabr kabu kaka kakk kaku kap- kapa kapp kapu kara karb kark karp karr karu kau- kaub kauk kaup kaur kbaa kbab kbak kbap kbar kbba kbbb kbbk kbbr kbbu kbkb kbkk kbkr kbpa kbpk kbpr kbpu kbra kbrb kbrk kbru kbua kbub kbuk kbup kbur kbuu kkaa kkap kkar kkba kkbb kkbr kkkk kkpk kkrb kkrk kkrr kkua kkup kkuu kpak kpar kpau kpba kpbb kpbr kpkk kpkr kppk kppp kppr kprb kprk kprp kprr kpru kpua kpub kpur krab krak krap krar krba krbb krbk krbr krka krkk krkr krku krpa krpr krpu krrb krrk krrr krua kruk krup krur kuap kuar kuau kuba kubb kubr kubu kuka kukk kuku kupa kupb kupr kupu kura kurb kurk kurr kuru kuub kuuk kuur kuuu paak paap paar paba pabu paka paku papa papb papp papr par- para park parp parr paru paua pauk paup paur pbar pbpa pbpk ppap ppar pppa pppp ppru ppur prar prau pruu puar pubu puka puku pupa pupu pur- pura purb purp purr puru raab raak raba rabb rabk rabu raka rakk raku rapa rapp rara rarb rark raua raub rauk raup rbbb rbbr rrrr ruba rubb rubp rubu ruka rukk ruku rupa rupp rura rurp ruru u-rp uaru uaua ubar ubba ubra ukba ukpa ukra ukup ukur upar uppa uppp uppu upra upup urap urau urba urka urra uruk urup urur uuuu