-ana a-un aaaa aaab aaan aaar aaba aabb aabt aana aara aart aaru aata aatt abaa abab aban abar abat abau abb- abba abbb abbr abbt abnu abra abta abtu abua abun abut ana- anaa anab anan anar anat anau anba anbb anbu anna annb annt ant- anta antr antt antu anua anub anun anut arab aran arar arat arau arba arna arnt arr- arra arrr arrt arru arta artr arua arub arun arut at-t ataa atab atan atar atat atna atra atrn atru atta attn attr attu atua atub atun atur auaa auna aunt aur- aura aut- baaa baan baar baat baba babb babr babu bana bann banr bant banu bar- bara barb barn barr bart baru bata batn batt batu bau- baur bbau bbbb bnrr bnta brab bran brat brau brna brrr brun brut btaa btan btrt bttb buar buat buba bubb bubu buna bunb bunn bunt bunu bur- bura burb burn burr burt buru but- buta butt naaa naab naan naar naat naba nabu nan- nana nanb nann nant nanu nara narn narr nart naru nata natt natu naur naut nbaa nbar nnnn nntn nrab nrna nrta ntnu ntru nttr nuan nuba nuna nunn nunt nura nurn nurr nurt nuru nutt nutu raab raan raat raba rabb rabu rana rann rant rara rarb rata ratt ratu raua raub raun raut rbbb rbbr rnbr rnnt rnut rrat rrna rrrr rrun rtan ruan ruba rubb rubu runa runn runt rura ruru ruta rutt rutu ruun taa- taan taar taat taba tabb tabu tana tann tant tanu tara tarb tarn tarr tart taru tata tatb tatr tatt tatu taua taub taur taut tbar tbrb tbta tnut traa trab tran trat trau trna trra trtr trub trun trut truu ttab ttbb tttt tuan tuar tuat tuba tubb tubr tubu tuna tunb tunn tunu tura turb turn turr turt turu tuta tutt tutu uart uaru uata uatu uaua ubar ubba ubra unaa unan unar unat unau unna unra untb unut uran urat urau urba urna urra urun urur urut utan utau uttu uuta uuuu