a-ha a-ii aaaa aaab aaac aaah aaai aaas aaba aabb aabc aabh aabi aabt aaca aacb aacc aach aaci aacs aact aaha aahs aaib aaic aaii aais aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abas abat abb- abba abbb abbi abbs abbt abca abcb abcc abch abci abcs abct abha abhi abhs abia abib abic abis abit abs- absa absi abss abta abts ac-t acaa acab acac acai acas acat acba acca accc acch acci accs acct acha achh achi achs acht aci- acia acic acis acsa acsc acsi acss acst acta actc acth acti acts actt ahab ahac ahah ahai ahas ahat ahha ahhs ahis ahit ahsa ahss ahta ahti ahts aiai aias aiba aica aicc aich aics aiha aihs aiia aiib aiic aisa aisb aish aisi aist aita aith aiti aits aitt asaa asab asac asah asai asas asat asba asc- asca ascb ascc asch asci asct asha ashi ashs asht asia asic asii asis asit assa assc assh assi asss asst asta astb astc asti asts at-t ataa atab atac atai atas atat atbs atca atcc atch atcs atha athi aths atia atic atis atit atsb atsc atsi atst atta atti atts ba-i baaa baah baas baat baba babb babi babs bac- baca bacc bach baci bacs bact baha bahi bahs baht baia baib baic bais bait basa basc bash basi bass bast bata batc bath bati bats batt bbas bbbb bbbs bbch bbci bbhs bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bchs bcia bcis bcit bcsa bcsc bcss bctc bcts bhai bhat bhca bhcc bhhs bhit bias biat biba bibb bibi bibs bica bicc bich bici bics biha bihi bihs biis bis- bisa bisc bish biss bist bita bitc bith bits bitt bsaa bsac bsas bsat bsci bscs bshs bsic bssc bsts btaa btcc btcs bths btss bttb caaa caab caac caah caas caat caba cabi cabs cac- caca cacc cach caci caha cahs caht caia caib caic cais cait casa casb casc cash casi cass cast cat- cata catb catc cath cati cats catt cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbha cbhs cbia cbit cbsa cbsc cbsi cbta cbtc ccaa ccab ccac ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs ccha cchs ccic ccii ccis ccsa ccsi ccss ccst cctb cctc cctt chaa chab chac chah chai chas chat chca chch chci chcs chha chhs chia chib chic chih chis chit chsc chsh chsi chst chtt ciaa cias ciat ciba cibc cibi cica cicc cich cici cics cict cihs ciht ciia ciii ciis ciit cis- cisa cisc cish ciss cist cita citb cith citi cits citt csaa csab csac csas csat cscb cscc csch csci cscs cshs csia csib csis csit cssa csta cstc csts ctab ctba ctbi ctbs ctca cths ctia ctic ctsa ctsc ctss ctta ctts h-ii haab haas haat haba habi habs habt hacs haha hahs haht hais hait hasa hasc hash hasi hass hast hata hatb hath hati hats hatt hbbs hbhs hbic hbit hbss hcat hcbc hcbs hcca hccb hccc hcch hccs hchi hchs hcis hcsa hcsc hcss hcst hhaa hhat hhhh hhhs hi-c hiaa hiab hias hiba hibi hibt hicc hich hics hihc hihi hiht hiis hiit hisb hish hiss hist hita hitc hiti hits hitt hsac hsas hsat hsbc hscc hsci hsct hshs hsia hsts htab htcc hths htsc iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iahc iahs iaia iais iasa iasc iasi iata iatc iati ibac ibas ibat ibca ibcs ibia ibis ibsa ibss ibtb ibtc ibts icaa icab icac icai icas icat icbc icbs icca iccb iccc icci iccs icct ichc ichi ichs icis icsa icsb icsc icsh icsi icss icst icta icts ihab ihba ihcc ihis ihit ihsa ihss ihtc iiac iias iica iiht iiii iiis iiit iisc iisi iist iita iitt is-a isac isai isas isat isba isbt isca iscc isch isci iscs isct isha ishi ishs isia isic isis isit issa issc issh issi isss ista istc isth isti ists itaa itac itai itas itat itbs itch itcs itha ithc iths itia itic itis itsa itsi itta s-ib s-ic s-ii sa-c saab saac saah saas saat saba sabb sabc sabi sabs saca sacc saci sacs sact saha sahi sahs saht saia saic saih sais sait sasa sasc sash sasi sass sast sata satb satc sati sats satt sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbct sbhc sbhs sbia sbic sbsa sbsi sbst sbtc scaa scab scac scai scas scat scba scbi sccc sccs scct sch- scha schh schi schs sci- scia scic scis scit scsa scsc scsh scsi scst sctc scts shab shac shah shai shas shat shbs shbt shca shcc shha shhh shhs shia shib shih shii shis shit shsc shts siaa siab siac siah siai sias siat siba sibc sibi sibs sica sicc sich sici sics siha sihi sihs siht siit sisa sisc sish sisi siss sist sit- sita sitc sith siti sits sitt ssaa ssab ssac ssas ssat ssca sscc ssci sscs sshs ssis ssit sssa sssb sssc sssh sssi ssss ssta sstb sstc ssth ssts stab stac stai stas stat stbc stbs stca stcc stch stcs sths stia stib stic stih stis stit stsi stss sttc taa- taas taat taba tabb tabc tabi tabs taca tacc tach taci tacs tact taha tahi tahs taia tais tait tasa tasb tasc tash tasi tass tast tata tatb tath tati tats tatt tbas tbbs tbca tbcb tbcc tbhs tbit tbst tbta tcbs tcca tccc tch- tcha tchh tchi tchs tcsh tctc tcts thaa thai thas that thbs thca thch thi- thia thic this thss thtb thts tiaa tiab tias tiba tibi tibs tica ticc tich tics tiht tiit tisa tisb tish tisi tiss tist tita titc tith titi tits titt tsaa tsai tsat tsbc tsca tscc tshb tshi tshs tsia tsis tssa tssi tsst tstc tsts ttab ttbb ttss tttt