-ic a-a a-b a-c a-i aaa aab aac aah aai aao aas ab- aba abb abc abh abi abo abs ac- aca acb acc ach aci aco acs aha ahb ahc ahh ahi aho ahs ai- aia aib aic aih aii aio ais aoa aob aoc aoh aoi aoo aos as- asa asb asc ash asi aso ass baa bab bac bah bai bao bas bba bbb bbc bbh bbi bbo bbs bca bcb bcc bch bci bco bcs bha bhb bhc bhh bhi bho bhs bi- bia bib bic bih bii bio bis boa bob boc boh boi boo bos bsa bsb bsc bsh bsi bso bss c-- caa cab cac cah cai cao cas cba cbb cbc cbh cbi cbo cbs cca ccb ccc cch cci cco ccs ch- cha chb chc chh chi cho chs ci- cia cib cic cih cii cio cis co- coa cob coc coh coi coo cos csa csb csc csh csi cso css h-i haa hab hac hah hai hao has hba hbb hbc hbh hbi hbo hbs hca hcb hcc hch hci hco hcs hha hhb hhc hhh hhi hho hhs hia hib hic hih hii hio his hoa hob hoc hoh hoi hoo hos hsa hsb hsc hsh hsi hss ia- iaa iab iac iah iai iao ias iba ibb ibc ibh ibi ibo ibs ica icb icc ich ici ico ics iha ihb ihc ihh ihi iho ihs iia iib iic iih iii iio iis io- ioa iob ioc ioh ioi ioo ios is- isa isb isc ish isi iso iss o-i oaa oab oac oah oai oao oas ob- oba obb obc obh obi obo obs oc- oca ocb occ och oci oco ocs oha ohc ohh ohi oho ohs oia oib oic oii oio ois oo- ooa oob ooc ooh ooi ooo oos os- osa osb osc osh osi oso oss saa sab sac sah sai sao sas sba sbb sbc sbh sbi sbo sbs sca scb scc sch sci sco scs sh- sha shb shc shh shi sho shs sia sib sic sih sii sio sis soa sob soc soh soi soo sos ss- ssa ssb ssc ssh ssi sso sss

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