a-ha a-ii aaaa aaab aaac aaah aaai aaas aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aaco aacs aaha aahs aaib aaic aaii aais aaoo aasa aasc aasi aass abaa abab abac abai abas abb- abba abbb abbi abbo abbs abca abcb abcc abch abci abcs abha abhi abho abhs abia abib abic abis aboa abob aboh aboo abos abs- absa absi abss acaa acab acac acai acas acba acca accc acch acci acco accs acha achh achi acho achs aci- acia acic acis acoa acoh acos acsa acsc acsi acss ahab ahac ahah ahai ahas ahha ahhs ahio ahis ahoa ahsa ahso ahss aiai aias aiba aibo aica aicc aich aics aiha aiho aihs aiia aiib aiic aioc aioi aisa aisb aish aisi aiso aoah aoba aoca aocs aoss asaa asab asac asah asai asao asas asba asbo asc- asca ascb ascc asch asci asco asha ashi ashs asia asic asii asio asis asob asoc asoi asos assa assc assh assi asso asss ba-i baaa baah baas baba babb babi babo babs bac- baca bacc bach baci baco bacs baha bahi baho bahs baia baib baic baio bais baoh baos basa basc bash basi baso bass bbas bbbb bbbs bbch bbci bbhs bcaa bcas bcbc bcbs bcca bccc bcci bccs bchs bcia bcis bcos bcsa bcsc bcss bhai bhao bhca bhcc bhhs bhoi biao bias biba bibb bibi bibo bibs bica bicc bich bici bico bics biha bihi bihs biis bio- bioc bioi bios bis- bisa bisc bish biso biss boab boac boai boas boba bobb bobi bobo bobs boca boch boco bocs boha boho bohs boi- boii bois boob booc booh boos bosa bosc bosh bosi boso boss bsaa bsac bsas bsci bscs bshs bsic bsos bssc c-bo caaa caab caac caah caas caba cabi cabo cabs cac- caca cacc cach caci caco caha cahs caia caib caic caio cais caoi caos casa casb casc cash casi caso 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 ccob ccoc ccsa ccsi ccss chaa chab chac chah chai chao chas chca chch chci chcs chha chhs chia chib chic chih chis choc choh choi choo chos chsc chsh chsi ciaa ciao cias ciba cibc cibi cibo cica cicc cich cici cico cics cihs ciia ciii ciis ciob cios cis- cisa cisc cish ciss coai coas coba cobb cobh cobi cobo cobs coca coch coco coha coho cohs coia cois coob cooh coos cosa cosc cosh cosi coso coss csaa csab csac csao csas cscb cscc csch csci csco cscs cshs csia csib csio csis csob csos cssa h-ii haab haas haba habi habo habs haco hacs haha haho hahs hais hasa hasc hash hasi hass hbbs hbhs hbic hbio hboc hbos hbss hcbc hcbs hcca hccb hccc hcch hccs hchi hchs hcis hcsa hcsc hcso hcss hhaa hhhh hhhs hi-c hiaa hiab hias hiba hibi hicc hich hico hics hihc hihi hiho hiis hiob hioc hisb hish hiss hoac hoai hoas hoba hobo hobs hoca hoch hocs hoha hoho hois hoos hosa hosh hoss hsac hsas hsbc hscc hsci hshs hsia hsob iaaa iaac iaai iaas iaba iaca iacc iacs iahc iahs iaia iais iasa iasc iasi iaso ibac ibas ibca ibcs ibia ibis ibos ibsa ibss icaa icab icac icai icao icas icbc icbs icca iccb iccc icci icco iccs ichc ichi icho ichs icis icoc icos icsa icsb icsc icsh icsi icss ihab ihba ihcc ihis ihob ihsa ihss iiac iias iica iiii iiio iiis iioi iioo iios iisc iisi ioba iobi ioci ioii ioio iooi iooo ioos ioso is-a isac isai isao isas isba isca iscc isch isci isco iscs isha ishi ishs isia isic isis iso- isoc isos issa issc issh issi isso isss oahs oaic oais oasc oasi oass obai obas obba obbo obhs obia obis oboi obos obss ocab ocac ocas ocbc occa occc occi ocha ochi ochs ocis ocos ocsa ohai ohba ohcc ohhi ohho ohhs ohia ohio ohis ohob ohoh ohos ohso ohss oiba oici oiii oios oisc ooaa ooba oobi ooha ooho oohs ooia oooh oooo ooos oosa oosi osai osas osba osca oscc osci osco osha oshc oshi osho oshs osia osii osis osoi osoo osos ossa ossb ossi osso s-ib s-ic s-ii s-os sa-c saab saac saah saas saba sabb sabc sabi sabo sabs saca sacc saci saco sacs saha sahi saho sahs saia saic saih sais saoi saos sasa sasc sash sasi saso 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 scho schs sci- scia scic scio scis scob scoh scoo scsa scsc scsh scsi scso shab shac shah shai shao shas shbs shca shcc shha shhh shhs shia shib shih shii shio shis shoa shoo shos shsc siaa siab siac siah siai sias siba sibc sibi sibo sibs sica sicc sich sici sico sics siha sihi sihs sios sisa sisc sish sisi siss soas soba sobo sobs soca soch soci soco socs soha sohh soho sohs soia soic sois soos sosa sosh sosi soso soss ssaa ssab ssac ssao ssas ssca sscc ssci sscs sshs ssis ssoc sssa sssb sssc sssh sssi ssss