a-ii aaaa aaab aaac aaad aaai aaas aaba aabb aabc aabd aabi aabt aaca aacb aacc aacd aaci aacs aact aacu aada aadc aadi aads aadt aadu aaib aaic aaii aais aasa aasc aasd aasi aass aast aasu aata aatc aatt aaus abaa abab abac abad abai abas abat abau abb- abba abbb abbi abbs abbt abca abcb abcc abcd abci abcs abct abda abdi abdu abia abib abic abid abis abit abiu abs- absa absd absi abss absu abta abts abtu abua abud abus abut ac-t acaa acab acac acad acai acas acat acba acca accc accd acci accs acct accu acda acdb acdc acdi acds acdt aci- acia acic acid acis acsa acsc acsd acsi acss acst acta actc acti acts actt actu acu- acus acut adaa adab adac adad adai adas adat adba adbc adbi adcc adci adcs adda addc addd addi adds addu adia adib adic adis adit adsa adsi adss adst adta adts adua adub aiai aias aiba aica aicc aicd aics aida aidb aidc aidi aids aidt aidu aiia aiib aiic aiid aisa aisb aisd aisi aist aita aiti aits aitt aitu aiud aiui asaa asab asac asad asai asas asat asau asba asbu asc- asca ascb ascc asci asct asda asds asia asic asii asis asit assa assc assd assi asss asst assu asta astb astc asti asts asub asud asui asus at-t ataa atab atac atad atai atas atat atbs atca atcc atcs atdi atdt atia atic atid atis atit atiu atsb atsc atsi atst atta atti atts attu atua atub atuc atus auaa auca auci auct audc audi auis ausa ausd aust ausu aut- auts ba-i baaa baad baas baat baba babb babi babs babu bac- baca bacc baci bacs bact bada badb badd badi bads badu baia baib baic baid bais bait basa basc basi bass bast basu bata batc bati bats batt batu bau- baud bbad bbas bbau bbbb bbbs bbci bbdd bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcda bcds bcia bcis bcit bcsa bcsc bcss bctc bcts bcuc bdbc bddc bdii bdsd biad bias biat biba bibb bibi bibs bica bicc bici bics bida bidi bids bidu biis bis- bisa bisc bisd biss bist bisu bita bitc bitd bits bitt bitu bsaa bsac bsas bsat bsbd bsci bscs bsic bssc bssd bsts btaa btcc btcs btdt btss bttb btus buad buat buba bubb bubi bubs bubu buca bucc buci bucs bucu buda budb budd budi buds budu buic buid buis buit buiu busa busc busi buss bust busu but- buta buti buts butt buus c-cd caaa caab caac caas caat caba cabi cabs cabu cac- caca cacc caci cada cadc cadd cadi cads cadu caia caib caic caid cais cait caiu casa casb casc casd casi cass cast casu cat- cata catb catc catd cati cats catt catu cauc caus caut cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbcu cbdb cbdc cbdi cbds cbia cbid cbit cbsa cbsc cbsi cbta cbtc cbus ccaa ccab ccac ccad ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs cccu ccdc ccdi ccds ccic ccid ccii ccis ccsa ccsd ccsi ccss ccst cctb cctc cctt ccuc ccus ccut cdaa cdac cdad cdai cdba cdcs cdda cddb cdic cdii cdis cdss ciaa cias ciat ciau ciba cibc cibi cica cicc cici cics cict cicu cida cidc cidi cids cidt ciia ciid ciii ciis ciit cis- cisa cisc cisd ciss cist cita citb citi cits citt citu ciuc cius csaa csab csac csas csat cscb cscc cscd csci cscs csda csdb csia csib csid csis csit cssa cssd csta cstc cstd csts csua csus ctab ctba ctbi ctbs ctca ctia ctic ctsa ctsc ctss ctsu ctta ctts cuau cub- cuba cubb cubi cubs cuca cucc cuci cuda cudi cuds cui- cuis cuit cusa cusb cusd cuss cust cusu cut- cuta cutc cuts cutt daab daad daas daau daba dabb dabs dabt dabu daca daci dacs dact dada dadi dads dadu daia daid dais dait dasa dasb dasc dasd dasi dass dast data dati dats datt datu daub daud daus daut dbas dbcc dbcs dbit dbsa dbss dbtt dbus dcas dcbc dcca dccb dccc dcci dccs dcct dccu dcdb dcds dcia dcii dcis dcsc dcss dctc dcts dddd ddss ddts ddub dia- diab diac diad dias diat diba dibb dibs dica dici dict dida didi dids didu diii diis dis- disa disc disd disi diss dist dita diti dits ditt dius dsac dsba dsbc dscc dscs dsda dssa dssc dssi dsst dstc dsts dtaa dtac dtcc dtss duaa duab duad duas duat dub- duba dubb dubc dubs dubu duca ducs duct duda dudd duds dudu duid duis duit dusa dusi dust duta duts duut iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iacu iadb iadc iadt iaia iais iasa iasc iasi iata iatc iati ibac ibad ibas ibat ibca ibcs ibia ibid ibis ibsa ibss ibtb ibtc ibts ibus icaa icab icac icad icai icas icat icbc icbd icbs icca iccb iccc icci iccs icct iccu icdc icdd icis icsa icsb icsc icsd icsi icss icst icta icts icub icus idad idas idat idca idda idia idic idid idis idsa idsc idss idta idts idub idus iiac iias iica iicd iida iiii iiis iiit iisc iisd iisi iist iisu iita iitt iiuc is-a isac isad isai isas isat isba isbd isbt isca iscc iscd isci iscs isct iscu isda isdb isdc isds isia isic isis isit issa issc issi isss issu ista istc istd isti ists isua isus itaa itac itai itas itat itbs itcs itia itic itis itsa itsi itsu itta iucc iuds iuiu iusd iuss iust s-ib s-ic s-ii sa-c saab saac saad saas saat saba sabb sabc sabi sabs sabu saca sacc sacd saci sacs sact sacu sada sadb sadc sadd sadi sads sadt sadu saia saic said sais sait sasa sasc sasd sasi sass sast sata satb satc satd sati sats satt satu saua sauc saud saus saut sbaa sbac sbai sbas sbbs sbca