a-ha a-ii aaaa aaab aaac aaah aaai aaas aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aacs aaha aahs aaib aaic aaii aais aasa aasc aasi aass abaa abab abac abai abas abb- abba abbb abbi abbs abca abcb abcc abch abci abcs abha abhi abhs abia abib abic abis abs- absa absi abss acaa acab acac acai acas acba acca accc acch acci accs acha achh achi achs aci- acia acic acis acsa acsc acsi acss ahab ahac ahah ahai ahas ahha ahhs ahis ahsa ahss aiai aias aiba aica aicc aich aics aiha aihs aiia aiib aiic aisa aisb aish aisi asaa asab asac asah asai asas asba asc- asca ascb ascc asch asci asha ashi ashs asia asic asii asis assa assc assh assi asss ba-i baaa baah baas baba babb babi babs bac- baca bacc bach baci bacs baha bahi bahs baia baib baic bais basa basc bash basi bass bbas bbbb bbbs bbch bbci bbhs bcaa bcas bcbc bcbs bcca bccc bcci bccs bchs bcia bcis bcsa bcsc bcss bhai bhca bhcc bhhs bias biba bibb bibi bibs bica bicc bich bici bics biha bihi bihs biis bis- bisa bisc bish biss bsaa bsac bsas bsci bscs bshs bsic bssc caaa caab caac caah caas caba cabi cabs cac- caca cacc cach caci caha cahs caia caib caic cais casa casb casc cash casi cass cbac cbbc cbbs cbca cbcc cbcs cbha cbhs cbia cbsa cbsc cbsi ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccs ccha cchs ccic ccii ccis ccsa ccsi ccss chaa chab chac chah chai chas chca chch chci chcs chha chhs chia chib chic chih chis chsc chsh chsi ciaa cias ciba cibc cibi cica cicc cich cici cics cihs ciia ciii ciis cis- cisa cisc cish ciss csaa csab csac csas cscb cscc csch csci cscs cshs csia csib csis cssa h-ii haab haas haba habi habs hacs haha hahs hais hasa hasc hash hasi hass hbbs hbhs hbic hbss hcbc hcbs hcca hccb hccc hcch hccs hchi hchs hcis hcsa hcsc hcss hhaa hhhh hhhs hi-c hiaa hiab hias hiba hibi hicc hich hics hihc hihi hiis hisb hish hiss hsac hsas hsbc hscc hsci hshs hsia iaaa iaac iaai iaas iaba iaca iacc iacs iahc iahs iaia iais iasa iasc iasi ibac ibas ibca ibcs ibia ibis ibsa ibss icaa icab icac icai icas icbc icbs icca iccb iccc icci iccs ichc ichi ichs icis icsa icsb icsc icsh icsi icss ihab ihba ihcc ihis ihsa ihss iiac iias iica iiii iiis iisc iisi is-a isac isai isas isba isca iscc isch isci iscs isha ishi ishs isia isic isis issa issc issh issi isss s-ib s-ic s-ii sa-c saab saac saah saas saba sabb sabc sabi sabs saca sacc saci sacs saha sahi sahs saia saic saih sais sasa sasc sash sasi sass sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbhc sbhs sbia sbic sbsa sbsi scaa scab scac scai scas scba scbi sccc sccs sch- scha schh schi schs sci- scia scic scis scsa scsc scsh scsi shab shac shah shai shas shbs shca shcc shha shhh shhs shia shib shih shii shis shsc siaa siab siac siah siai sias siba sibc sibi sibs sica sicc sich sici sics siha sihi sihs sisa sisc sish sisi siss ssaa ssab ssac ssas ssca sscc ssci sscs sshs ssis sssa sssb sssc sssh sssi ssss