-th a-a a-b a-c a-t aaa aab aac aah aam aao aas aat ab- aba abb abc abh abm abo abs abt ac- aca acb acc ach acm aco acs act aha ahb ahc ahh ahm aho ahs aht ama amb amc amh amm amo ams amt aoa aob aoc aoh aom aoo aos aot as- asa asb asc ash asm aso ass ast at- ata atb atc ath atm ato ats att baa bab bac bah bam bao bas bat bba bbb bbc bbh bbm bbo bbs bbt bca bcb bcc bch bcm bco bcs bct bha bhb bhc bhh bhm bho bhs bht bma bmb bmc bmh bmm bmo bms bmt boa bob boc boh bom boo bos bot bsa bsb bsc bsh bsm bso bss bst bta btb btc bth btm bto bts btt c-- caa cab cac cah cam cao cas cat cba cbb cbc cbh cbm cbo cbs cbt cca ccb ccc cch ccm cco ccs cct ch- cha chb chc chh chm cho chs cht cma cmb cmc cmh cmm cmo cms cmt co- coa cob coc coh com coo cos cot csa csb csc csh csm cso css cst cta ctb ctc cth ctm cto cts ctt haa hab hac hah ham hao has hat hba hbb hbc hbh hbm hbo hbs hbt hca hcb hcc hch hcm hco hcs hct hha hhb hhc hhh hhm hho hhs hht hma hmb hmc hmh hmm hmo hms hmt hoa hob hoc hoh hom hoo hos hot hsa hsb hsc hsh hsm hss hst hta htb htc hth htm hto hts htt m-o maa mab mac mah mam mao mas mat mba mbb mbc mbh mbm mbo mbs mbt mc- mca mcb mcc mch mcm mco mcs mct mha mhc mhh mhm mho mhs mht mma mmb mmc mmh mmm mmo mms mmt moa mob moc moh mom moo mos mot msa msb msc msh msm mso mss mst mta mtb mtc mth mtm mto mts mtt oaa oab oac oah oam oao oas oat ob- oba obb obc obh obm obo obs obt oc- oca ocb occ och ocm oco ocs oct oha ohc ohh ohm oho ohs oht om- oma omb omc omh omm omo oms omt oo- ooa oob ooc ooh oom ooo oos oot os- osa osb osc osh osm oso oss ost ot- ota otb otc oth otm oto ots ott saa sab sac sah sam sao sas sat sba sbb sbc sbh sbm sbo sbs sbt sca scb scc sch scm sco scs sct sh- sha shb shc shh shm sho shs sht sma smb smc smh smm smo sms smt soa sob soc soh som soo sos sot ss- ssa ssb ssc ssh ssm sso sss sst sta stb stc sth stm sto sts stt taa tab tac tah tam tao tas tat tba tbb tbc tbh tbm tbo tbs tbt tca tcb tcc tch tcm tco tcs tct th- tha thb thc thh thm tho ths tht tma tmb tmc tmh tmm tmo tms tmt to- toa tob toc toh tom too tos tot tsa tsb tsc tsh tsm tso tss tst tta ttb ttc tth ttm tto tts ttt

a-ha aaaa aaab aaac aaah aaam aaas aaba aabb aabc aabh aabm aabt aaca aacb aacc aach aacm aaco aacs aact aaha aahs aama aamb aamc aamo aams aaoo aasa aasc aasm aass aast aata aatc aatt abaa abab abac abam abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abch abcs abct abha abhm abho abhs abma abmb abmc abms abmt aboa abob aboh aboo abos abot abs- absa abss abta abts ac-t acaa acab acac acas acat acba acca accc acch accm acco accs acct acha achh acho achs acht acma acmc acmh acms acoa acoh acom acos acot acsa acsc acsm acss acst acta actc acth acto acts actt ahab ahac ahah aham ahas ahat ahha ahhs ahmc ahms ahoa ahom ahot ahsa ahso ahss ahta ahto ahts amaa amac amah amam amas amat amb- amba ambo ambs amca amcc amco amcs amhs amm- amma ammo amob amoc amoo amos amot amsa amsc amso amss amst amta amtc amto amts aoah aoba aoca aocs aoma aoss aotc asaa asab asac asah asam asao asas asat asba asbm asbo asc- asca ascb ascc asch asco asct asha ashs asht asma asmm asms asmt asob asoc asom asos asot assa assc assh asso asss asst asta astb astc astm asto asts at-t ataa atab atac atas atat atbs atca atcc atch atco atcs atha atho aths atm- atma atmo atms atob atoc atom atos atot atsb atsc atst atta atto atts baaa baah baam baas baat baba babb babm babo babs bac- baca bacc bach baco bacs bact baha baho bahs baht bama bamb bamc bamm bams baoh baos basa basc bash baso bass bast bata batc bath bato bats batt bbas bbbb bbbs bbch bbcm bbhs bcaa bcam bcas bcat bcbc bcbs bcca bccc bccm bccs bchs bcma bcms bcos bcsa bcsc bcsm bcss bctc bcts bhao bhat bhca bhcc bhhs bhms bhot bmaa bmhs bmoc bmtc bmts boab boac boas boat boba bobb bobo bobs boca boch bocm boco bocs boha bohm boho bohs boht boma bomb boms bomt boob booc booh boom boos boot bosa bosc bosh bosm boso boss bost bota botb both boto bots bott bsaa bsac bsam bsas bsat bscs bshs bsms bsmt bsos bssc bssm bsts btaa btcc btcs bths btob btss bttb c-bo caaa caab caac caah caam caas caat caba cabo cabs cac- caca cacc cach cacm caco caha cahs caht cama camb camc camh camm camo cams camt caos casa casb casc cash casm caso cass cast cat- cata catb catc cath catm cato cats catt cbac cbat cbbc cbbs cbca cbcc cbcm cbcs cbct cbha cbhs cbms cbot cbsa cbsc cbsm cbta cbtc ccaa ccab ccac ccam ccas ccat ccba ccbc ccca cccb cccc cccm cccs ccha cchs ccma ccmb ccmc ccmm ccms