a-ha aaaa aaab aaac aaah aaas aaba aabb aabc aabh aabt aaca aacb aacc aach aaco aacs aact aaha aahs aaoo aasa aasc aass aast aata aatc aatt abaa abab abac abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abch abcs abct abha abho abhs aboa abob aboh aboo abos abot abs- absa abss abta abts ac-t acaa acab acac acas acat acba acca accc acch acco accs acct acha achh acho achs acht acoa acoh acos acot acsa acsc acss acst acta actc acth acto acts actt ahab ahac ahah ahas ahat ahha ahhs ahoa ahot ahsa ahso ahss ahta ahto ahts aoah aoba aoca aocs aoss aotc asaa asab asac asah asao asas asat asba asbo asc- asca ascb ascc asch asco asct asha ashs asht asob asoc asos asot assa assc assh asso asss asst asta astb astc asto asts at-t ataa atab atac atas atat atbs atca atcc atch atco atcs atha atho aths atob atoc atos atot atsb atsc atst atta atto atts baaa baah baas baat baba babb babo babs bac- baca bacc bach baco bacs bact baha baho bahs baht baoh baos basa basc bash baso bass bast bata batc bath bato bats batt bbas bbbb bbbs bbch bbhs bcaa bcas bcat bcbc bcbs bcca bccc bccs bchs bcos bcsa bcsc bcss bctc bcts bhao bhat bhca bhcc bhhs bhot boab boac boas boat boba bobb bobo bobs boca boch boco bocs boha boho bohs boht boob booc booh boos boot bosa bosc bosh boso boss bost bota botb both boto bots bott bsaa bsac bsas bsat bscs bshs bsos bssc bsts btaa btcc btcs bths btob btss bttb c-bo caaa caab caac caah caas caat caba cabo cabs cac- caca cacc cach caco caha cahs caht caos casa casb casc cash caso cass cast cat- cata catb catc cath cato cats catt cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbha cbhs cbot cbsa cbsc cbta cbtc ccaa ccab ccac ccas ccat ccba ccbc ccca cccb cccc cccs ccha cchs ccob ccoc ccsa ccss ccst cctb cctc cctt chaa chab chac chah chao chas chat chca chch chcs chha chhs choc choh choo chos chsc chsh chst chto chtt coas coat coba cobb cobh cobo cobs coca coch coco coct coha coho cohs coob cooh coos coot cosa cosc cosh coso coss cost cota cotb cotc coth coto cots cott csaa csab csac csao csas csat cscb cscc csch csco cscs cshs csob csos csot cssa csta cstc csto csts ctab ctba ctbs ctca cths ctos ctot ctsa ctsc ctss ctta ctts haab haas haat haba habo habs habt haco hacs haha haho hahs haht hasa hasc hash hass hast hata hatb hath hato hats hatt hbbs hbhs hboc hbos hbss hcat hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcso hcss hcst hhaa hhat hhhh hhhs hoac hoas hoat hoba hobo hobs hoca hoch hocs hoha hoho hoos hoot hosa hosh hoss host hota hotb hoth hoto hots hott hsac hsas hsat hsbc hscc hsct hshs hsob hsts htab htcc hths htoh htsc oahs oasc oass oast oath oats obas obba obbo obhs obos obot obss obst obts ocab ocac ocas ocat ocbc occa occc occt ocha ochs ocht ocos ocsa oct- octa octo octs ohba ohcc ohho ohhs ohob ohoh ohos ohso ohss ohta ohto ooaa ooba ooha ooho oohs oooh oooo ooos oosa oost ootb oots osas osat osba osca oscc osco osha oshc osho oshs osoo osos ossa ossb osso osta ostc osts otac otas otbs otha otho oths oto- otoh otoo otos otsa otso otta otto otts s-os sa-c saab saac saah saas saat saba sabb sabc sabo sabs saca sacc saco sacs sact saha saho sahs saht saos sasa sasc sash saso sass sast sata satb satc sato sats satt sbaa sbac sbas sbbs sbca sbcc sbcs sbct sbhc sbhs sbot sbsa sbst sbtc scaa scab scac scas scat scba sccc sccs scct sch- scha schh scho schs scob scoh scoo scot scsa scsc scsh scso scst sctc scto scts shab shac shah shao shas shat shbs shbt shca shcc shha shhh shhs shoa shoo shos shot shsc shts soas soat soba sobo sobs sobt soca soch soco socs soha sohh soho sohs soos soot sosa sosh soso soss sost sota sotc soth soto sots ssaa ssab ssac ssao ssas ssat ssca sscc sscs sshs ssoc ssot sssa sssb sssc sssh ssss ssta sstb sstc ssth ssts stab stac stas stat stbc stbs stca stcc stch stcs sths stoa stob stoo stos stot stss sttc taa- taas taat taba tabb tabc tabo tabs taca tacc tach taco tacs tact taha taho tahs taoa taos tasa tasb tasc tash tass tast tata tatb tath tato tats tatt tbas tbbs tbca tbcb tbcc tbhs tbst tbta tcbs tcca tccc tch- tcha tchh tcho tchs tcos tcsh tctc tcts thaa thao thas that thbs thca thch thoo thos thot thss thtb thts toab toas toat toba tobo tobs tobt toca toch toco toho tooa tooh toos toot tosa tosb tosc tosh toso toss tost tota totc toth toto tots tott tsaa tsao tsat tsbc tsca tscc tshb tshs tsob tsos tssa tsst tstc tsts ttab ttbb ttss tttt