-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 ssas ssat ssbn ssca sscc sscs sshs ssns sssa sssb sssc sssh ssss ssta sstb sstc ssth ssts stab stac stan stas stat stbc stbs stca stcc stch stcs sthn sths stnn stns stss sttc taa- taan taas taat taba tabb tabc tabs taca tacc tach tacs tact taha tahn tahs tana tanh tann tans tant tasa tasb tasc tash tass tast tata tatb tath tats tatt tbas tbbs tbca tbcb tbcc tbhs tbst tbta tcbs tcca tccc tch- tcha tchh tchs tcnn tcsh tctc tcts thaa than thas that thbs thca thch thnt thss thtb thts tnbc tnca tncc tnsh tnts tsaa tsat tsbc tsca tscc tshb tshs tsna tssa tsst tstc tsts ttab ttbb ttcn ttss tttt