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

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 abax 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 ascx asha ashs asht ashu ashx assa assc assh asss asst assu asta astb astc asts asub asus at-t at-x ataa atab atac atas atat atax atbs atca atcc atch atcs atha aths atsb atsc atst atta atts attu atua atub atuc atus auaa auca auch auct auht auhx ausa aush aust ausu aut- auth auts auxa axat ba-x 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- baux baxt 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 btcx bths btss bttb btus buat buba bubb bubs bubu buca bucc buch bucs bucu buha buhs busa busc bush buss bust busu busx but- buta buts butt buus buxa 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 caux caxa cbac cbat cbax cbbc cbbs cbca cbcc cbcs cbct cbcu cbha cbhs cbsa cbsc cbta cbtc cbus cbux cbxa 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 chax 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 cstx csua csus csxt 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 cxxx 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 sa-x 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 saux saxa saxt sbaa sbac sbas sbbs sbca sbcc sbcs sbct sbhc