-th a-a a-b a-c a-t aaa aab aac aah aan aas aat ab- aba abb abc abh abn abs abt ac- aca acb acc ach acn acs act aha ahb ahc ahh ahn ahs aht an- ana anb anc anh ann ans ant as- asa asb asc ash asn ass ast at- ata atb atc ath atn ats att baa bab bac bah ban bas bat bba bbb bbc bbh bbn bbs bbt bca bcb bcc bch bcn bcs bct bha bhb bhc bhh bhs bht bna bnb bnc bnn bns bnt bsa bsb bsc bsh bsn bss bst bta btb btc bth btn bts btt c-- caa cab cac cah can cas cat cba cbb cbc cbh cbn cbs cbt cca ccb ccc cch ccn ccs cct ch- cha chb chc chh chn chs cht cn- cna cnb cnc cnh cnn cns cnt csa csb csc csh csn css cst cta ctb ctc cth ctn cts ctt haa hab hac hah han has hat hba hbb hbc hbh hbn hbs hbt hca hcb hcc hch hcn hcs hct hha hhb hhc hhh hhn hhs hht hna hnb hnc hnh hnn hns hnt hsa hsb hsc hsh hsn hss hst hta htb htc hth htn hts htt naa nab nac nah nan nas nat nba nbb nbc nbn nbs nbt nca ncb ncc nch ncn ncs nct nha nhb nhc nhh nhn nhs nht nna nnb nnc nnh nnn nns nnt nsa nsb nsc nsh nsn nss nst nta ntb ntc nth ntn nts ntt saa sab sac sah san sas sat sba sbb sbc sbh sbn sbs sbt sca scb scc sch scn scs sct sh- sha shb shc shh shn shs sht sna snb snc snn sns snt ss- ssa ssb ssc ssh ssn sss sst sta stb stc sth stn sts stt taa tab tac tah tan tas tat tba tbb tbc tbh tbn tbs tbt tca tcb tcc tch tcn tcs tct th- tha thb thc thh thn ths tht tna tnb tnc tnh tnn tns tnt tsa tsb tsc tsh tsn tss tst tta ttb ttc tth ttn tts ttt

-ana a-ha aaaa aaab aaac aaah aaan aaas aaba aabb aabc aabh aabt aaca aacb aacc aach aacn aacs aact aaha aahs aana aasa aasc aass aast aata aatc aatt abaa abab abac aban abas abat abb- abba abbb abbs abbt abca abcb abcc abch abcn abcs abct abha abhs abs- absa abss abta abts ac-t acaa acab acac acan acas acat acba acca accc acch accs acct acha achh achs acht acsa acsc acss acst acta actc acth acts actt ahab ahac ahah ahas ahat ahha ahhs ahsa ahss ahta ahts ana- anaa anab anac anah anan anas anat anba anbb anca ancc anct anha anhs anna annb anns annt ansa ant- anta anth ants antt asaa asab asac asah asan asas asat asba asc- asca ascb ascc asch asct asha ashs asht asnc assa assc assh assn asss asst asta astb astc asts at-t ataa atab atac atan atas atat atbs atca atcc atch atcs atha aths atna atns atsb atsc atst atta attn atts baaa baah baan baas baat baba babb babs bac- baca bacc bach bacn bacs bact baha bahn bahs baht bana banc banh bann bans bant basa basc bash bass bast bata batc bath batn bats batt bbas bbbb bbbs bbch bbhs bcaa bcas bcat bcbc bcbs bcca bccc bccs bchs bcsa bcsc bcsn bcss bctc bcts bhan bhat bhca bhcc bhhs bnas bnhs bnss bnta bsaa bsac bsas bsat bscs bshs bsns bssc bsts btaa btan btcc btcs bths btss bttb caaa caab caac caah caan caas caat caba cabs cac- caca cacc cach caha cahn cahs caht cana canc canh cann cans cant casa casb casc cash cass cast cat- cata catb catc cath cats catt cbac cbat cbbc cbbs cbca cbcc cbcn cbcs cbct cbha cbhs cbna cbsa cbsc cbsn cbta cbtc ccaa ccab ccac ccas ccat ccba ccbc ccbn ccca cccb cccc cccs ccha cchs ccna ccnb ccnc ccns ccsa ccsn ccss ccst cctb cctc cctt chaa chab chac chah chan chas chat chca chch chcs chha chhs chnb chnc chns chsc chsh chst chtt cnaa cnac cnas cnbc cnhs cnna cnsa cnss cnta cntc csaa csab csac csas csat cscb cscc csch cscs cshs cssa csta cstc csts ctab ctan ctba ctbs ctca cths ctns ctsa ctsc ctsn ctss ctta cttn ctts haab haan haas haat haba habs habt hacs haha hahn hahs haht hana hanc hann hans hant hasa hasc hash hass hast hata hatb hath hats hatt hbbs hbhs hbss hcat hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcss hcst hhaa hhat hhhh hhhs hnat hncs hnhs hnna hntb hnts hsac hsas hsat hsbc hscc hscn hsct hshs hstn hsts htab htan htcc hths htsc naaa naab naac naan naas naat naba nabc nabs naca nacc nach nacs naha nahs naht nan- nana nanb nann nans nant nas- nasa nasb nasc nash nass nast nata natc nath nats natt nbaa nbas nbbc nbca nbcc nbcs nbhs ncaa ncac ncat ncba ncbc ncbs ncca nccc nccn nccs ncct ncha nchc nchs ncna ncnc ncsa ncsc ncss ncst ncta nctc nhcc nhhs nhnn nhsc nhst nnhs nnnn nnsa nnss nntn nsaa nsac nsca nscc nscs nshs nsna nssa nssb nssc nsss nstc nsts ntbc ntcc nthn nths ntht ntsb ntsc ntss sa-c saab saac saah saan saas saat saba sabb sabc sabs saca sacc sacn sacs sact saha sahn sahs saht sana sann sans sant sasa sasc sash sass sast sata satb satc satn sats satt sbaa sbac sbas sbbs sbca sbcc sbcs sbct sbhc sbhs sbsa sbst sbtc sbtn scaa scab scac scan scas scat scba sccc sccs scct sch- scha schh schs scna scnt scsa scsc scsh scsn scst sctc sctn scts shab shac shah shan shas shat shbs shbt shca shcc shha shhh shhs shsc shts snab snas snat snba snca sncc snhs snns ssaa ssab ssac ssan