-th a-a a-b a-c a-t aaa aab aac aah aam aas aat aau ab- aba abb abc abh abm abs abt abu ac- aca acb acc ach acm acs act acu aha ahb ahc ahh ahm ahs aht ahu ama amb amc amh amm ams amt amu as- asa asb asc ash asm ass ast asu at- ata atb atc ath atm ats att atu au- aua aub auc auh aum aus aut b-u baa bab bac bah bam bas bat bau bba bbb bbc bbh bbm bbs bbt bbu bca bcb bcc bch bcm bcs bct bcu bha bhb bhc bhh bhm bhs bht bhu bma bmb bmc bmh bmm bms bmt bmu bsa bsb bsc bsh bsm bss bst bsu bta btb btc bth btm bts btt btu bua bub buc buh bum bus but buu c-- caa cab cac cah cam cas cat cau cba cbb cbc cbh cbm cbs cbt cbu cca ccb ccc cch ccm ccs cct ccu ch- cha chb chc chh chm chs cht chu cma cmb cmc cmh cmm cms cmt cmu csa csb csc csh csm css cst csu cta ctb ctc cth ctm cts ctt ctu cua cub cuc cuh cum cus cut cuu haa hab hac hah ham has hat hau hba hbb hbc hbh hbm hbs hbt hbu hca hcb hcc hch hcm hcs hct hha hhb hhc hhh hhm hhs hht hhu hma hmb hmc hmh hmm hms hmt hmu hsa hsb hsc hsh hsm hss hst hsu hta htb htc hth htm hts htt hua hub huc huh hum hus hut huu maa mab mac mah mam mas mat mau mba mbb mbc mbh mbm mbs mbt mbu mc- mca mcb mcc mch mcm mcs mct mcu mha mhc mhh mhm mhs mht mhu mma mmb mmc mmh mmm mms mmt mmu msa msb msc msh msm mss mst msu mta mtb mtc mth mtm mts mtt mtu mua mub muc muh mum mus mut muu saa sab sac sah sam sas sat sau sba sbb sbc sbh sbm sbs sbt sbu sca scb scc sch scm scs sct scu sh- sha shb shc shh shm shs sht shu sma smb smc smh smm sms smt smu ss- ssa ssb ssc ssh ssm sss sst ssu sta stb stc sth stm sts stt stu sua sub suc suh sum sus sut suu taa tab tac tah tam tas tat tau tba tbb tbc tbh tbm tbs tbt tbu tca tcb tcc tch tcm tcs tct tcu th- tha thb thc thh thm ths tht thu tma tmb tmc tmh tmm tms tmt tmu tsa tsb tsc tsh tsm tss tst tsu tta ttb ttc tth ttm tts ttt ttu tua tub tuc tuh tum tus tut tuu ua- uaa uab uac uah uam uas uat uau uba ubb ubc ubh ubs ubt ubu uca ucb ucc uch ucm ucs uct ucu uha uhb uhc uhh uhm uhs uht uhu um- uma umb umc umh umm ums umt umu usa usb usc ush usm uss ust usu uta utb utc uth utm uts utt utu uua uuc uum uus uut uuu

a-ha aaaa aaab aaac aaah aaam aaas aaba aabb aabc aabh aabm aabt aaca aacb aacc aach aacm aacs aact aacu aaha aahs aama aamb aamc aams aasa aasc aasm aass aast aasu aata aatc aatt aaus abaa abab abac abam abas abat abau abb- abba abbb abbs abbt abca abcb abcc abch abcs abct abha abhm abhs abma abmb abmc abms abmt abs- absa abss absu abta abts abtu abua abum abus abut ac-t acaa acab acac acas acat acba acca accc acch accm accs acct accu acha achh achs acht achu acma acmc acmh acms acmu acsa acsc acsm acss acst acta actc acth acts actt actu acu- acum acus acut ahab ahac ahah aham ahas ahat ahau ahha ahhs ahmc ahms ahsa ahss ahta ahts ahua ahum ahus amaa amac amah amam amas amat amb- amba ambs ambu amca amcc amcs amhs amm- amma ammu amsa amsc amss amst amta amtc amts amua amum asaa asab asac asah asam asas asat asau asba asbm asbu asc- asca ascb ascc asch asct asha ashs asht ashu asma asmm asms asmt assa assc assh asss asst assu asta astb astc astm asts asub asum asus at-t ataa atab atac atas atat atbs atca atcc atch atcs atha aths atm- atma atms atmu atsb atsc atst atta atts attu atua atub atuc atum atus auaa auca auch auct auht auma ausa aush ausm aust ausu aut- auth auts baaa baah baam baas baat baba babb babm babs babu bac- baca bacc bach bacs bact baha bahs baht bahu bama bamb bamc bamm bams bamu basa basc bash bass bast basu bata batc bath bats batt batu bau- baum bbas bbau bbbb bbbs bbch bbcm bbhs bcaa bcam bcas bcat bcbc bcbs bcca bccc bccm bccs bchs bcma bcms bcsa bcsc bcsm bcss bctc bcts bcuc bhat bhca bhcc bhhs bhms bhut bhuu bmaa bmhs bmtc bmts bmus bsaa bsac bsam bsas bsat bscs bshs bsms bsmt bssc bssm bsts btaa btcc btcs bths btss bttb btus buat buba bubb bubs bubu buca bucc buch bucs bucu buha buhs bum- buma bumb bums busa busc bush buss bust busu but- buta buts butt buus caaa caab caac caah caam caas caat caba cabs cabu cac- caca cacc cach cacm caha cahs caht cama camb camc camh camm cams camt casa casb casc cash casm cass cast casu cat- cata catb catc cath catm cats catt catu cauc caum caus caut cbac cbat cbbc cbbs cbca cbcc cbcm cbcs cbct cbcu cbha cbhs cbms cbsa cbsc cbsm cbta cbtc cbus ccaa ccab ccac ccam ccas ccat ccba ccbc ccca cccb cccc cccm cccs cccu ccha cchs ccma ccmb ccmc ccmm ccms ccsa ccss ccst cctb cctc cctt ccuc ccus ccut chaa chab chac chah cham chas chat chau chca chch chcm chcs chha chhs chmb chmc chms chmt