-th a-a a-b a-c a-t a-z aaa aab aac aah aas aat aau aaz ab- aba abb abc abh abs abt abu abz ac- aca acb acc ach acs act acu acz aha ahb ahc ahh ahs aht ahu ahz as- asa asb asc ash ass ast asu asz at- ata atb atc ath ats att atu atz au- aua aub auc auh aus aut auz az- aza azb azs azt azu azz b-u baa bab bac bah bas bat bau baz bba bbb bbc bbh bbs bbt bbu bca bcb bcc bch bcs bct bcu bcz bha bhb bhc bhh bhs bht bhu bsa bsb bsc bsh bss bst bsu bta btb btc bth bts btt btu btz bua bub buc buh bus but buu buz bza bzh bzs bzu bzz c-- caa cab cac cah cas cat cau caz cba cbb cbc cbh cbs cbt cbu cbz cca ccb ccc cch ccs cct ccu ccz ch- cha chb chc chh chs cht chu chz csa csb csc csh css cst csu csz cta ctb ctc cth cts ctt ctu ctz cua cub cuc cuh cus cut cuu cuz cz- czc czt haa hab hac hah has hat hau haz hba hbb hbc hbh hbs hbt hbu hbz hca hcb hcc hch hcs hct hha hhb hhc hhh hhs hht hhu hhz hsa hsb hsc hsh hss hst hsu hsz hta htb htc hth hts htt htz hua hub huc huh hus hut huu huz hzs hzt saa sab sac sah sas sat sau saz 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 ssz sta stb stc sth sts stt stu stz sua sub suc suh sus sut suu suz sza szu taa tab tac tah tas tat tau taz tba tbb tbc tbh tbs tbt tbu tbz tca tcb tcc tch tcs tct tcu th- tha thb thc thh ths tht thu thz tsa tsb tsc tsh tss tst tsu tta ttb ttc tth tts ttt ttu tua tub tuc tuh tus tut tuu tuz tza tzs tzu ua- uaa uab uac uah uas uat uau uaz 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 usz uta utb utc uth uts utt utu utz uua uuc uus uut uuu uza uzb uzh uzu zaa zab zac zah zas zat zaz zbb zbc zbs zbt zcs zha zhc zhs zhu zsa zsh zst zsu zsz zta zub zuc zus zut zuz zzs zzt zzz

a-ha aaaa aaab aaac aaah aaas aaba aabb aabc aabh aabt aaca aacb aacc aach aacs aact aacu aaha aahs aahz 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 abza abzu 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 ahaz 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 aza- azab azas azat azaz azca azua azza baaa baah baas baat baaz baba babb babs babu bac- baca bacc bach bacs bact bacz baha bahs baht bahu basa basc bash bass bast basu bata batc bath bats batt batu batz bau- baza 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 bucz buha buhs busa busc bush buss bust busu but- buta buts butt butz buus buuz buza buzz bzzt bzzz 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 catz cauc caus caut caza cazh 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 chaz 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 czts haab haas haat haba habs habt habu hacs haha hahs haht hasa hasc hash hass hast hata hatb hath hats hatt hatu hatz hau- haus haut hauz haza 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 hstz 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 hutz huub huus huzz sa-c saab saac saah saas saat saaz saba sabb sabc sabs sabu sabz saca sacc sacs sact sacu saha sahs saht sahu sasa sasc sash sass sast sata satb satc sats satt satu