-ana a-un aaaa aaab aaac aaan aaas aaba aabb aabc aabt aaca aacb aacc aacn aacs aact aacu aana aasa aasc aass aast aasu aata aatc aatt aaus abaa abab abac aban abas abat abau abb- abba abbb abbs abbt abca abcb abcc abcn abcs abct abnu abs- absa abss absu abta abts abtu abua abun abus abut ac-t acaa acab acac acan acas acat acba acca accc accs acct accu acsa acsc acss acst acta actc acts actt actu acu- acus acut ana- anaa anab anac anan anas anat anau anba anbb anbu anca ancc anct anna annb anns annt ansa ansu ant- anta ants antt antu anua anub anun anus anut asaa asab asac asan asas asat asau asba asbu asc- asca ascb ascc asct asnc assa assc assn asss asst assu asta astb astc asts asub asun asus at-t ataa atab atac atan atas atat atbs atca atcc atcs atna atns atsb atsc atst atta attn atts attu atua atub atuc atun atus auaa auca auct auna aunt ausa aust ausu aut- auts baaa baan baas baat baba babb babs babu bac- baca bacc bacn bacs bact bana banc bann bans bant banu basa basc bass bast basu bata batc batn bats batt batu bau- bbas bbau bbbb bbbs bcaa bcas bcat bcbc bcbs bcca bccc bccs bcnu bcsa bcsc bcsn bcss bctc bcts bcuc bnas bnss bnta bsaa bsac bsas bsat bscs bsns bssc bsts btaa btan btcc btcs btss bttb btus buat buba bubb bubs bubu buca bucc bucs bucu buna bunb bunn buns bunt bunu busa busc buss bust busu but- buta buts butt buus caaa caab caac caan caas caat caba cabs cabu cac- caca cacc cana canc cann cans cant casa casb casc cass cast casu cat- cata catb catc cats catt catu cauc caus caut cbac cbat cbbc cbbs cbca cbcc cbcn cbcs cbct cbcu cbna cbsa cbsc cbsn cbta cbtc cbus ccaa ccab ccac ccas ccat ccba ccbc ccbn ccca cccb cccc cccs cccu ccna ccnb ccnc ccns ccnu ccsa ccsn ccss ccst cctb cctc cctt ccuc ccus ccut cnaa cnac cnas cnbc cnna cnsa cnss cnta cntc cnut csaa csab csac csas csat cscb cscc cscs cssa csta cstc csts csua csus ctab ctan ctba ctbs ctca ctns ctsa ctsc ctsn ctss ctsu ctta cttn ctts cuan cuau cub- cuba cubb cubs cuca cucc cucn cuna cunt cusa cusb cuss cust cusu cut- cuta cutc cuts cutt naaa naab naac naan naas naat naba nabc nabs nabu naca nacc nacs nan- nana nanb nann nans nant nanu nas- nasa nasb nasc nass nast nasu nata natc nats natt natu naus naut nbaa nbas nbbc nbca nbcc nbcs ncaa ncac ncat ncba ncbc ncbs ncca nccc nccn nccs ncct nccu ncna ncnc ncsa ncsc ncss ncst ncta nctc ncua nnnn nnsa nnss nntn nsaa nsac nsca nscc nscs nsna nssa nssb nssc nsss nstc nsts nstu nsub ntbc ntcc ntnu ntsb ntsc ntss ntsu ntuc nuan nuba nubc nubs nuca nucs nucu nuna nunc nunn nuns nunt nuss nust nusu nuts nutt nutu sa-c saab saac saan saas saat saba sabb sabc sabs sabu saca sacc sacn sacs sact sacu sana sann sans sant sanu sasa sasc sass sast sata satb satc satn sats satt satu saua sauc saun saus saut sbaa sbac sbas sbbs sbca sbcc sbcs sbct sbsa sbst sbtc sbtn sbus scaa scab scac scan scas scat scba sccc sccs scct scna scnt scsa scsc scsn scst scsu sctc sctn scts scua scub scun scut snab snas snat snba snca sncc snns snub snus ssaa ssab ssac ssan ssas ssat ssau ssbn ssca sscc sscs ssns sssa sssb sssc ssss ssta sstb sstc ssts stab stac stan stas stat stau stbc stbs stca stcc stcs stcu stnn stns stss sttc stub stuc stun stus stut suan suas suat sub- suba subb subs suc- succ sucs sun- suna sunb sunn suns sunt sunu sus- susa suss sust susu suta sutu suus taa- taan taas taat taba tabb tabc tabs tabu taca tacc tacs tact tana tann tans tant tanu tasa tasb tasc tass tast tasu tata tatb tats tatt tatu taua taub tauc taus taut tbas tbbs tbca tbcb tbcc tbst tbta tcbs tcca tccc tccu tcnn tctc tcts tnbc tnca tncc tnts tnut tsaa tsat tsau tsbc tsca tscc tsna tssa tsst tstc tsts tsun ttab ttbb ttcn ttss tttt tuan tuas tuat tuba tubb tubs tubu tuca tucc tuna tunb tunc tunn tuns tunu tusa tusc tuss tust tuta tuts tutt tutu uabc uaca uasa uata uatu uaua ubac ubba ucan ucas ucat ucbc ucca ucsa ucsb ucsc ucst ucsu ucua ucut unaa unac unan unas unat unau unca uncc uncs unct unna unns uns- unsa unsc unst untb unts unus unut us-a usaa usac usan usas usat usba usbc usbs usca uscc uscs usna usnc usnu ussa ussb ussc usss usst ussu usta ustb ustc usts usua usun usus utac utan utas utau utsa utsc uttu uuta uuuu