a-ak a-ok aaaa aaab aaap aaar aaba aabb aabp aaka aaku aaoo aapa aapo aara aaro aarp aaru aaup abaa abab abak abap abar abau abb- abba abbb abbo abbr aboa abob abok aboo abor abou abpa abpp abpr abra abro abua abuk akaa akao akap akar akka akko akku akok akpo akpu akr- akra akua aoba aokp aopo aora aorb apak apao apap apar apba apbr apo- apoo apop apor apou appa appr appu apra apro apua apup arab arak arap arar arau arba arka arko aroa arob aroo aror arpa arpu arr- arra arrk arro arrr arru arua arub arup auaa aur- aura auro baaa baak baar baba babb babo babr babu bak- baka bako bakr baku bapa bapp bapu bar- bara barb bark baro barr baru bau- bauk baur bbau bbbb bbpr bkpr boab boak boar boba bobb bobo bobu boka boko boku boob book boop boor bopa bopp bor- bora bork boro borr boru boua bouk boup bour brab brak brao brau brka brkb broa brob brok broo bror brou brrr brup buar buba bubb bubo bubu buka bukk buko buku bupa bur- bura burb burk buro burp burr buru kaaa kaab kaak kaap kaar kaba kabb kabo kabr kabu kaka kakk kako kaku kaoa kaok kaor kap- kapa kapo kapp kapu kara karb kark karo karp karr karu kau- kaub kauk kauo kaup kaur kbaa kbab kbak kbap kbar kbba kbbb kbbk kbbo kbbr kbbu kbkb kbkk kbko kbkr kboa kbob kbok kboo kbpa kbpk kbpo kbpr kbpu kbra kbrb kbrk kbro kbru kbua kbub kbuk kbup kbur kbuu kkaa kkap kkar kkba kkbb kkbo kkbr kkkk kkoa kkob kkoo kkor kkpk kkrb kkrk kkro kkrr kkua kkup kkuu koab koak koap koar koba kobb kobk kobo kobr kobu koka kokb kokk koko kokp kokr koku koob kook kooo koop koor koou kopa kopb kopp kopr kopu kora korb kork koro korr koru koua koub kour kouu kpak kpao kpar kpau kpba kpbb kpbr kpkk kpkr kpoa kpob kpok kpoo kpop kpou kppk kppo kppp kppr kprb kprk kpro kprp kprr kpru kpua kpub kpur krab krak krap krar krba krbb krbk krbr krka krkk krko krkr krku kroa krob krok kroo krop kror krpa krpr krpu krrb krrk krro krrr krua kruk krup krur kuap kuar kuau kuba kubb kubo kubr kubu kuka kukk kuku kuoa kuok kuoo kuop kupa kupb kupr kupu kura kurb kurk kuro kurr kuru kuub kuuk kuur kuuu oaau oara obak obba obbo obkb obok obor obra obro okak okap okka okko okok okor okpo okra okro okur ooaa ooak ooba ooku oooo oora opap opar opo- opor oppa oppo opra opua orab orak orao orar orba orbb orbo orbu orka orko oro- orok oror orra orro orub orup oupa our- oura ouro ouu- paak paap paar paba pabu paka pako paku papa papb papp papr par- para park paro parp parr paru paua pauk paup paur pbar pbpa pbpk poak poar poba pobo poka poko poku pook poop poor pop- popa popo popp pora porb pork poro porr pouk poup pour ppap ppar ppoa pppa pppo pppp ppru ppur prao prar prau pro- proa prob proo prop prou pruu puao puar pubu puka puku pupa pupu pur- pura purb puro purp purr puru raab raak raba rabb rabk rabo rabu raka rakk raku raob raok raop rapa rapp rara rarb rark raro raua raub rauk raup rbbb rbbr roab roak roap roar rob- roba robb robo robu roka rokk roko rokr roku roob rook roop roor ropa ropo rora rork roro roru roua roub rouk roup rpob rrrr ruba rubb rubp rubu ruka rukk ruku ruok rupa rupp rura ruro rurp ruru u-rp uaru uaua ubar ubba ubbo ubra ukba ukko ukok ukpa ukra ukup ukur uor- upar upor uppa uppp uppu upra upup urao urap urau urba urka uro- uroa urok uroo urpo urra uruk urup urur uuuu