-ana a-un aaaa aaab aaan aaas aaba aabb aabt aana aasa aass aast aasu aata aatt aaus abaa abab aban abas abat abau abb- abba abbb abbs abbt abnu abs- absa abss absu abta abts abtu abua abun abus abut ana- anaa anab anan anas anat anau anba anbb anbu anna annb anns annt ansa ansu ant- anta ants antt antu anua anub anun anus anut asaa asab asan asas asat asau asba asbu assa assn asss asst assu asta astb asts asub asun asus at-t ataa atab atan atas atat atbs atna atns atsb atst atta attn atts attu atua atub atun atus auaa auna aunt ausa aust ausu aut- auts baaa baan baas baat baba babb babs babu bana bann bans bant banu basa bass bast basu bata batn bats batt batu bau- bbas bbau bbbb bbbs bnas bnss bnta bsaa bsas bsat bsns bsts btaa btan btss bttb btus buat buba bubb bubs bubu buna bunb bunn buns bunt bunu busa buss bust busu but- buta buts butt buus naaa naab naan naas naat naba nabs nabu nan- nana nanb nann nans nant nanu nas- nasa nasb nass nast nasu nata nats natt natu naus naut nbaa nbas nnnn nnsa nnss nntn nsaa nsna nssa nssb nsss nsts nstu nsub ntnu ntsb ntss ntsu nuan nuba nubs nuna nunn nuns nunt nuss nust nusu nuts nutt nutu saab saan saas saat saba sabb sabs sabu sana sann sans sant sanu sasa sass sast sata satb satn sats satt satu saua saun saus saut sbaa sbas sbbs sbsa sbst sbtn sbus snab snas snat snba snns snub snus ssaa ssab ssan ssas ssat ssau ssbn ssns sssa sssb ssss ssta sstb ssts stab stan stas stat stau stbs stnn stns stss stub stun stus stut suan suas suat sub- suba subb subs sun- suna sunb sunn suns sunt sunu sus- susa suss sust susu suta sutu suus taa- taan taas taat taba tabb tabs tabu tana tann tans tant tanu tasa tasb tass tast tasu tata tatb tats tatt tatu taua taub taus taut tbas tbbs tbst tbta tnts tnut tsaa tsat tsau tsna tssa tsst tsts tsun ttab ttbb ttss tttt tuan tuas tuat tuba tubb tubs tubu tuna tunb tunn tuns tunu tusa tuss tust tuta tuts tutt tutu uasa uata uatu uaua ubba unaa unan unas unat unau unna unns uns- unsa unst untb unts unus unut us-a usaa usan usas usat usba usbs usna usnu ussa ussb usss usst ussu usta ustb usts usua usun usus utan utas utau utsa uttu uuta uuuu