a-ha a-ii aaaa aaab aaac aaah aaai aaas aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aacs aacu aaha aahs aaib aaic aaii aais aasa aasc aasi aass aasu aaus abaa abab abac abai abas abau abb- abba abbb abbi abbs abca abcb abcc abch abci abcs abha abhi abhs abia abib abic abis abiu abs- absa absi abss absu abua abus acaa acab acac acai acas acba acca accc acch acci accs accu acha achh achi achs achu aci- acia acic acis acsa acsc acsi acss acu- acus ahab ahac ahah ahai ahas ahau ahha ahhs ahis ahsa ahss ahua ahus aiai aias aiba aica aicc aich aics aiha aihs aiia aiib aiic aisa aisb aish aisi aiui asaa asab asac asah asai asas asau asba asbu asc- asca ascb ascc asch asci asha ashi ashs ashu asia asic asii asis assa assc assh assi asss assu asub asui asus auaa auca auch auci auis ausa aush ausu ba-i baaa baah baas baba babb babi babs babu bac- baca bacc bach baci bacs baha bahi bahs bahu baia baib baic bais basa basc bash basi bass basu bau- bbas bbau bbbb bbbs bbch bbci bbhs bcaa bcas bcbc bcbs bcca bccc bcci bccs bchs bcia bcis bcsa bcsc bcss bcuc bhai bhca bhcc bhhs bhuu bias biba bibb bibi bibs bica bicc bich bici bics biha bihi bihs bihu biis bis- bisa bisc bish biss bisu bsaa bsac bsas bsci bscs bshs bsic bssc buba bubb bubi bubs bubu buca bucc buch buci bucs bucu buha buhi buhs buic buis buiu busa busc bush busi buss busu buus caaa caab caac caah caas caba cabi cabs cabu cac- caca cacc cach caci caha cahs caia caib caic cais caiu casa casb casc cash casi cass casu cauc caus cbac cbbc cbbs cbca cbcc cbcs cbcu cbha cbhs cbia cbsa cbsc cbsi cbus ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccs cccu ccha cchs ccic ccii ccis ccsa ccsi ccss ccuc ccus chaa chab chac chah chai chas chau chca chch chci chcs chha chhs chia chib chic chih chis chiu chsc chsh chsi chua chub chui chus ciaa cias ciau ciba cibc cibi cica cicc cich cici cics cicu cihs ciia ciii ciis cis- cisa cisc cish ciss ciuc cius csaa csab csac csas cscb cscc csch csci cscs cshs csia csib csis cssa csua csus cuau cub- cuba cubb cubi cubs cuca cucc cuci cui- cuis cusa cusb cush cuss cusu h-ii haab haas haba habi habs habu hacs haha hahs hais hasa hasc hash hasi hass hau- haus hbbs hbhs hbic hbss hcbc hcbs hcca hccb hccc hcch hccs hchi hchs hcis hcsa hcsc hcss hhaa hhhh hhhs hhus hi-c hiaa hiab hias hiba hibi hibu hicc hich hics hihc hihi hiis hiiu hisb hish hiss hsac hsas hsbc hscc hsci hshs hsia hsua huac huah huas huba hubb hubi hubs huch hucs hucu huhi huhs huhu huia huib huis husa hush husi huss huub huus iaaa iaac iaai iaas iaba iaca iacc iacs iacu iahc iahs iaia iais iasa iasc iasi ibac ibas ibca ibcs ibia ibis ibsa ibss ibus icaa icab icac icai icas icbc icbs icca iccb iccc icci iccs iccu ichc ichi ichs ichu icis icsa icsb icsc icsh icsi icss icub icus ihab ihba ihcc ihis ihsa ihss ihua ihub iiac iias iica iiii iiis iisc iisi iisu iiuc is-a isac isai isas isba isca iscc isch isci iscs iscu isha ishi ishs isia isic isis issa issc issh issi isss issu isua isuh isus iucc iuiu iuss s-ib s-ic s-ii sa-c saab saac saah saas saba sabb sabc sabi sabs sabu saca sacc saci sacs sacu saha sahi sahs sahu saia saic saih sais sasa sasc sash sasi sass saua sauc sauh saus sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbhc sbhs sbia sbic sbsa sbsi sbus scaa scab scac scai scas scba scbi sccc sccs sch- scha schh schi schs sci- scia scic scis scsa scsc scsh scsi scsu scua scub shab shac shah shai shas shau shbs shca shcc shha shhh shhs shia shib shih shii shis shiu shsc shua shub shui shus shuu siaa siab siac siah siai sias siau siba sibc sibi sibs sibu sica sicc sich sici sics sicu siha sihi sihs sihu sisa sisc sish sisi siss sisu siui sius ssaa ssab ssac ssas ssau ssca sscc ssci sscs sshs ssis sssa sssb sssc sssh sssi ssss suas sub- suba subb subh subi subs suc- succ such suci sucs suha suhb suhi suis sus- susa susi suss susu suus uabc uaca uahs uasa uaua ubac ubba ubbi ubic ubii ubis ucai ucas ucbc ucca ucci ucha uchi uchs ucsa ucsb ucsc ucsu ucua uhss uhuh uica us-a usaa usac usas usba usbc usbs usca uscc usch uscs usha ushi ushs ushu usia usis ussa ussb ussc usss ussu usua usui usus uusi uuuu