-th a-a a-b a-c a-t aaa aab aac aah aam aar aas aat ab- aba abb abc abh abm abr abs abt ac- aca acb acc ach acm acr acs act aha ahb ahc ahh ahm ahr ahs aht ama amb amc amh amm amr ams amt ar- ara arb arc arh arm arr ars art as- asa asb asc ash asm asr ass ast at- ata atb atc ath atm atr ats att baa bab bac bah bam bar bas bat bba bbb bbc bbh bbm bbr bbs bbt bca bcb bcc bch bcm bcr bcs bct bha bhb bhc bhh bhm bhr bhs bht bma bmb bmc bmh bmm bmr bms bmt bra brb brh brm brr brs brt bsa bsb bsc bsh bsm bsr bss bst bta btb btc bth btm btr bts btt c-- caa cab cac cah cam car cas cat cba cbb cbc cbh cbm cbr cbs cbt cca ccb ccc cch ccm ccr ccs cct ch- cha chb chc chh chm chr chs cht cma cmb cmc cmh cmm cmr cms cmt cra crb crc crh crm crr crs crt csa csb csc csh csm csr css cst cta ctb ctc cth ctm ctr cts ctt haa hab hac hah ham har has hat hba hbb hbc hbh hbm hbr hbs hbt hca hcb hcc hch hcm hcr hcs hct hha hhb hhc hhh hhm hhr hhs hht hma hmb hmc hmh hmm hmr hms hmt hr- hra hrb hrc hrh hrm hrr hrs hrt hsa hsb hsc hsh hsm hsr hss hst hta htb htc hth htm htr hts htt m-r maa mab mac mah mam mar mas mat mba mbb mbc mbh mbm mbr mbs mbt mc- mca mcb mcc mch mcm mcr mcs mct mha mhc mhh mhm mhr mhs mht mma mmb mmc mmh mmm mmr mms mmt mra mrb mrc mrh mrm mrr mrs mrt msa msb msc msh msm msr mss mst mta mtb mtc mth mtm mtr mts mtt ra- raa rab rac rah ram rar ras rat rba rbb rbc rbh rbm rbr rbs rbt rca rcb rcc rch rcm rcr rcs rct rh- rha rhb rhc rhh rhm rhr rhs rht rma rmb rmc rmh rmm rmr rms rmt rra rrb rrc rrh rrm rrr rrs rrt rsa rsb rsc rsh rsm rsr rss rst rta rtb rtc rtm rtr rts rtt saa sab sac sah sam sar sas sat sba sbb sbc sbh sbm sbr sbs sbt sca scb scc sch scm scr scs sct sh- sha shb shc shh shm shr shs sht sma smb smc smh smm smr sms smt sr- sra srb src srh srm srr srs srt ss- ssa ssb ssc ssh ssm ssr sss sst sta stb stc sth stm str sts stt taa tab tac tah tam tar tas tat tba tbb tbc tbh tbm tbr tbs tbt tca tcb tcc tch tcm tcr tcs tct th- tha thb thc thh thm thr ths tht tma tmb tmc tmh tmm tmr tms tmt tra trb trc trh trm trr trs trt tsa tsb tsc tsh tsm tsr tss tst tta ttb ttc tth ttm ttr tts ttt

a-ha aaaa aaab aaac aaah aaam aaar aaas aaba aabb aabc aabh aabm aabt aaca aacb aacc aach aacm aacr aacs aact aaha aahs aama aamb aamc aamr aams aara aarc aarm aars aart aasa aasc aasm aass aast aata aatc aatt abaa abab abac abam abar abas abat abb- abba abbb abbr abbs abbt abca abcb abcc abch abcr abcs abct abha abhm abhr abhs abma abmb abmc abms abmt abra abrc abrs abs- absa abss abta abts ac-t acaa acab acac acar acas acat acba acca accc acch accm accs acct acha achh achr achs acht acma acmc acmh acms acr- acra acrc acrm acrr acrs acsa acsc acsm acss acst acta actc acth acts actt ahab ahac ahah aham ahar ahas ahat ahha ahhs ahmc ahms ahra ahrc ahrr ahrs ahsa ahss ahta ahts amaa amac amah amam amar amas amat amb- amba ambr ambs amca amcc amcs amhs amm- amma amra amrc amsa amsc amss amst amta amtc amts arab arac arah aram arar aras arat arba arbh arbs arc- arca arch arcm arcs arct arh- arhs arma armc armh armm arms armt arr- arra arrc arrh arrr arrs arrt ars- arsa arsc arst arta artc arth artr arts asaa asab asac asah asam asar asas asat asba asbm asc- asca ascb ascc asch ascr asct asha ashs asht asma asmm asmr asms asmt asra asrc asrm asrs assa assc assh assr asss asst asta astb astc astm astr asts at-t ataa atab atac atar atas atat atbs atca atcc atch atcr atcs atha aths atm- atma atms atra atrc atrm atsb atsc atst atta attr atts baaa baah baam baar baas baat baba babb babm babr babs bac- baca bacc bach bacs bact baha bahr bahs baht bama bamb bamc bamm bams bar- bara barb barc barh barm barr bars bart basa basc bash bass bast bata batc bath bats batt bbas bbbb bbbs bbch bbcm bbhs bbrc bcaa bcam bcar bcas bcat bcbc bcbs bcca bccc bccm bccs bchs bcma bcms bcra bcrs bcsa bcsc bcsm bcss bctc bcts bhar bhat bhca bhcc bhhs bhms bhra bhrt bmaa bmhs bmtc bmts brab brac brah bram bras brat brca brcb brhs brmc brrm brrr brrs brsb brsr brst brtc bsaa bsac bsam bsas bsat bscs bshs bsms bsmt bsra bsrm bssc bssm bsts btaa btcc btcs bths btrc btrt btss bttb caaa caab caac caah caam caas caat caba cabs cac- caca cacc cach cacm cacr caha cahs caht cama camb camc camh camm cams camt cara carb carc carm carr cars cart casa casb casc cash casm casr cass cast cat- cata catb catc cath catm cats catt cbac cbar cbat cbbc cbbs cbca cbcc cbcm cbcr cbcs cbct cbha cbhs cbms cbrh cbrm cbrt cbsa cbsc cbsm cbta cbtc ccaa ccab ccac ccam