-th a-a a-b a-c a-t aaa aab aac aah aas aat aau ab- aba abb abc abh abs abt abu ac- aca acb acc ach acs act acu aha ahb ahc ahh ahs aht ahu as- asa asb asc ash ass ast asu at- ata atb atc ath ats att atu au- aua aub auc auh aus aut b-u baa bab bac bah bas bat bau bba bbb bbc bbh bbs bbt bbu bca bcb bcc bch bcs bct bcu bha bhb bhc bhh bhs bht bhu bsa bsb bsc bsh bss bst bsu bta btb btc bth bts btt btu bua bub buc buh bus but buu c-- caa cab cac cah cas cat cau cba cbb cbc cbh cbs cbt cbu cca ccb ccc cch ccs cct ccu ch- cha chb chc chh chs cht chu csa csb csc csh css cst csu cta ctb ctc cth cts ctt ctu cua cub cuc cuh cus cut cuu haa hab hac hah has hat hau hba hbb hbc hbh hbs hbt hbu hca hcb hcc hch hcs hct hha hhb hhc hhh hhs hht hhu hsa hsb hsc hsh hss hst hsu hta htb htc hth hts htt hua hub huc huh hus hut huu saa sab sac sah sas sat sau sba sbb sbc sbh sbs sbt sbu sca scb scc sch scs sct scu sh- sha shb shc shh shs sht shu ss- ssa ssb ssc ssh sss sst ssu sta stb stc sth sts stt stu sua sub suc suh sus sut suu taa tab tac tah tas tat tau tba tbb tbc tbh tbs tbt tbu tca tcb tcc tch tcs tct tcu th- tha thb thc thh ths tht thu tsa tsb tsc tsh tss tst tsu tta ttb ttc tth tts ttt ttu tua tub tuc tuh tus tut tuu ua- uaa uab uac uah uas uat uau uba ubb ubc ubh ubs ubt ubu uca ucb ucc uch ucs uct ucu uha uhb uhc uhh uhs uht uhu usa usb usc ush uss ust usu uta utb utc uth uts utt utu uua uuc uus uut uuu

a-ha aaaa aaab aaac aaah aaas aaba aabb aabc aabh aabt aaca aacb aacc aach aacs aact aacu aaha aahs aasa aasc aass aast aasu aata aatc aatt aaus abaa abab abac abas abat abau abb- abba abbb abbs abbt abca abcb abcc abch abcs abct abha abhs abs- absa abss absu abta abts abtu abua abus abut ac-t acaa acab acac acas acat acba acca accc acch accs acct accu acha achh achs acht achu acsa acsc acss acst acta actc acth acts actt actu acu- acus acut ahab ahac ahah ahas ahat ahau ahha ahhs ahsa ahss ahta ahts ahua ahus asaa asab asac asah asas asat asau asba asbu asc- asca ascb ascc asch asct asha ashs asht ashu assa assc assh asss asst assu asta astb astc asts asub asus at-t ataa atab atac atas atat atbs atca atcc atch atcs atha aths atsb atsc atst atta atts attu atua atub atuc atus auaa auca auch auct auht ausa aush aust ausu aut- auth auts baaa baah baas baat baba babb babs babu bac- baca bacc bach bacs bact baha bahs baht bahu basa basc bash bass bast basu bata batc bath bats batt batu bau- bbas bbau bbbb bbbs bbch bbhs bcaa bcas bcat bcbc bcbs bcca bccc bccs bchs bcsa bcsc bcss bctc bcts bcuc bhat bhca bhcc bhhs bhut bhuu bsaa bsac bsas bsat bscs bshs bssc bsts btaa btcc btcs bths btss bttb btus buat buba bubb bubs bubu buca bucc buch bucs bucu buha buhs busa busc bush buss bust busu but- buta buts butt buus caaa caab caac caah caas caat caba cabs cabu cac- caca cacc cach caha cahs caht casa casb casc cash cass cast casu cat- cata catb catc cath cats catt catu cauc caus caut cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbcu cbha cbhs cbsa cbsc cbta cbtc cbus ccaa ccab ccac ccas ccat ccba ccbc ccca cccb cccc cccs cccu ccha cchs ccsa ccss ccst cctb cctc cctt ccuc ccus ccut chaa chab chac chah chas chat chau chca chch chcs chha chhs chsc chsh chst chtt chua chub chus chut csaa csab csac csas csat cscb cscc csch cscs cshs cssa csta cstc csts csua csus ctab ctba ctbs ctca cths ctsa ctsc ctss ctsu ctta ctts cuau cub- cuba cubb cubs cuca cucc cusa cusb cush cuss cust cusu cut- cuta cutc cuth cuts cutt haab haas haat haba habs habt habu hacs haha hahs haht hasa hasc hash hass hast hata hatb hath hats hatt hatu hau- haus haut hbbs hbhs hbss hbtu hcat hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcss hcst hhaa hhat hhhh hhhs hhus hsac hsas hsat hsbc hscc hsct hshs hsts hsua htab htcc hths htsc huac huah huas huba hubb hubs huch hucs hucu huhs huhu husa hush huss hust huta huth huts hutt hutu huub huus sa-c saab saac saah saas saat saba sabb sabc sabs sabu saca sacc sacs sact sacu saha sahs saht sahu sasa sasc sash sass sast sata satb satc sats satt satu saua sauc sauh saus saut sbaa sbac sbas sbbs sbca sbcc sbcs sbct sbhc sbhs sbsa sbst sbtc sbus scaa scab scac scas scat scba sccc sccs scct sch- scha schh schs scsa scsc scsh scst scsu sctc scts scua scub scut shab shac shah shas shat shau shbs shbt shca shcc shha shhh shhs shsc shts shua shub shus shut shuu ssaa ssab ssac ssas ssat ssau ssca sscc sscs sshs sssa sssb sssc sssh ssss ssta sstb sstc ssth ssts stab stac stas stat stau stbc stbs stca stcc stch stcs stcu sths stss sttc stub stuc stus stut suas suat sub- suba subb subh subs suc- succ such sucs suha suhb sus- susa suss sust susu suta sutu suus taa- taas taat taba tabb tabc