a-ha a-ii aaaa aaab aaac aaaf aaah aaai aaas aaba aabb aabc aabh aabi aaca aacb aacc aacf aach aaci aacs aafa aafb aafc aaff aafi aaha aahs aaib aaic aaii aais aasa aasc aasf aasi aass abaa abab abac abaf abai abas abb- abba abbb abbi abbs abca abcb abcc abcf abch abci abcs abff abha abhi abhs abia abib abic abis abs- absa absf absi abss acaa acab acac acai acas acba acca accc accf acch acci accs acfc acfi acfs acha achh achi achs aci- acia acic acif acis acsa acsc acsi acss afaa afbs afca afcb afcc afch afci afcs affa affc affi affs afhs afia afib afif afis afsa afsb afsc ahab ahac ahah ahai ahas ahfa ahha ahhs ahis ahsa ahss aiai aias aiba aica aicc aicf aich aics aiff aifs aiha aihs aiia aiib aiic aisa aisb aish aisi asaa asab asac asaf asah asai asas asba asc- asca ascb ascc asch asci asfa asfi asha ashi ashs asia asic asif asii asis assa assc assh assi asss ba-i baaa baaf baah baas baba babb babi babs bac- baca bacc bach baci bacs bafc baff baha bahi bahs baia baib baic bais basa basc basf bash basi bass bbas bbbb bbbs bbch bbci bbfc bbhs bcaa bcas bcbc bcbs bcca bccc bcci bccs bcfc bchs bcia bcis bcsa bcsc bcss bfas bfca bfcs bffs bfhs bfsi bhai bhca bhcc bhff bhhs bhsf biaf bias biba bibb bibi bibs bica bicc bich bici bics bifa biff bifi biha bihi bihs biis bis- bisa bisc bish biss bsaa bsac bsas bsci bscs bsfa bsfc bsff bsfs bshs bsic bssc caaa caab caac caaf caah caas caba cabf cabi cabs cac- caca cacc cach caci cafa cafb cafc caff cafs caha cahs caia caib caic cais casa casb casc cash casi cass cbac cbbc cbbs cbca cbcc cbcs cbfb cbfc cbha cbhs cbia cbsa cbsc cbsi ccaa ccab ccac ccaf ccai ccas ccba ccbc ccca cccb cccc cccf ccci cccs ccfa ccfc ccff ccfi ccha cchs ccic ccii ccis ccsa ccsf ccsi ccss cfaa cfab cfac cfbc cfbs cfca cfcb cfcf cfcs cffb cfhs cfia cfsa cfsi chaa chab chac chaf chah chai chas chca chch chci chcs chfa chfc chfi chfs chha chhs chia chib chic chif chih chis chsc chsh chsi ciaa cias ciba cibc cibi cica cicc cich cici cics cifa ciff cifs cihs ciia ciii ciis cis- cisa cisc cish ciss csaa csab csac csas csbf cscb cscc cscf csch csci cscs csfc cshs csia csib csis cssa faaa faac faah faas faba fabi fabs faca facc fach facs fafa fafc faff fafi faha fahs fais fasa fasc fash fasi fass fbhs fbis fcab fcas fcba fcbs fcca fccf fcch fchs fcic fcii fcsc ffcc ffff ffhs ffii ffsa ffss fhas fhci fhfs fhhs fhss fiaa fiac fiaf fias fiba fibs fica ficc fich fics fifa fifc fiff fifi fiii fisa fisc fish fisi fiss fsai fsas fscb fscc fsfi fshb fshs fsia fssa fssc fssf h-ii haab haaf haas haba habi habs hacs hafb haff hafs haha hahs haif hais hasa hasc hash hasi hass hbbs hbfc hbhs hbic hbss hcbc hcbs hcca hccb hccc hcch hccs hcfa hcfc hchi hchs hcis hcsa hcsc hcss hfba hfcs hfhs hfss hhaa hhhh hhhs hi-c hiaa hiab hias hiba hibi hicc hich hics hifa hiff hifh hifi hihc hihi hiis hisb hish hiss hsac hsas hsbc hscc hsci hsfc hsfs hshs hsia iaaa iaac iaai iaas iaba iaca iacc iacs iafc iaff iahc iahs iaia iais iasa iasc iasi ibac ibas ibca ibcs ibfi ibia ibis ibsa ibsf ibss icaa icab icac icaf icai icas icbc icbs icca iccb iccc iccf icci iccs icfb ichc ichi ichs icis icsa icsb icsc icsh icsi icss ifaa ifac ifas ifbb ific ifis ifsa ifsb ifsc ihab ihba ihcc ihis ihsa ihss iiac iias iica iifa iiii iiis iisc iisi is-a isac isaf isai isas isba isca iscc isch isci iscs isfa isfc isha ishi ishs isia isic isis issa issc issf issh issi isss s-ib s-ic s-ii sa-c saab saac saaf saah saas saba sabb sabc sabi sabs saca sacc saci sacs safa safb safc saff safi saha sahi sahs saia saic saif saih sais sasa sasc sasf sash sasi sass sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbfc sbhc sbhs sbia sbic sbsa sbsi scaa scab scac scaf scai scas scba scbi sccc sccs scfa scfc scfi sch- scha schh schi schs sci- scia scic scif scis scsa scsc scsh scsi sfas sfba sfbc sfca sfcc sfcs sffc sfha sfhs sfia sfss shab shac shah shai shas shbs shca shcc shha shhh shhs shia shib shih shii shis shsc siaa siab siac siaf siah siai sias siba sibc sibi sibs sica sicc sich sici sics sifa siff siha sihi sihs sisa sisc sish sisi siss ssaa ssab ssac ssas ssca sscc ssci sscs ssfc sshs ssis sssa sssb sssc sssf sssh sssi ssss