-ic a-a a-b a-c a-i aaa aab aac aah aai aar aas ab- aba abb abc abh abi abr abs ac- aca acb acc ach aci acr acs aha ahb ahc ahh ahi ahr ahs ai- aia aib aic aih aii air ais ar- ara arb arc arh ari arr ars as- asa asb asc ash asi asr ass baa bab bac bah bai bar bas bba bbb bbc bbh bbi bbr bbs bca bcb bcc bch bci bcr bcs bha bhb bhc bhh bhi bhr bhs bi- bia bib bic bih bii bir bis bra brb brh bri brr brs bsa bsb bsc bsh bsi bsr bss c-- caa cab cac cah cai car cas cba cbb cbc cbh cbi cbr cbs cca ccb ccc cch cci ccr ccs ch- cha chb chc chh chi chr chs ci- cia cib cic cih cii cir cis cra crb crc crh cri crr crs csa csb csc csh csi csr css h-i haa hab hac hah hai har has hba hbb hbc hbh hbi hbr hbs hca hcb hcc hch hci hcr hcs hha hhb hhc hhh hhi hhr hhs hia hib hic hih hii hir his hr- hra hrb hrc hrh hri hrr hrs hsa hsb hsc hsh hsi hsr hss ia- iaa iab iac iah iai iar ias iba ibb ibc ibh ibi ibr ibs ica icb icc ich ici icr ics iha ihb ihc ihh ihi ihr ihs iia iib iic iih iii iir iis ir- ira irb irc iri irr irs is- isa isb isc ish isi isr iss ra- raa rab rac rah rai rar ras rba rbb rbc rbh rbi rbr rbs rca rcb rcc rch rci rcr rcs rh- rha rhb rhc rhh rhi rhr rhs ria rib ric rih rii rir ris rra rrb rrc rrh rri rrr rrs rsa rsb rsc rsh rsi rsr rss saa sab sac sah sai sar sas sba sbb sbc sbh sbi sbr sbs sca scb scc sch sci scr scs sh- sha shb shc shh shi shr shs sia sib sic sih sii sir sis sr- sra srb src srh sri srr srs ss- ssa ssb ssc ssh ssi ssr sss

a-ha a-ii aaaa aaab aaac aaah aaai aaar aaas aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aacr aacs aaha aahs aaib aaic aaii aais aara aarc aari aars aasa aasc aasi aass abaa abab abac abai abar abas abb- abba abbb abbi abbr abbs abca abcb abcc abch abci abcr abcs abha abhi abhr abhs abia abib abic abir abis abra abrc abri abrs abs- absa absi abss acaa acab acac acai acar acas acba acca accc acch acci accs acha achh achi achr achs aci- acia acic acir acis acr- acra acrc acri acrr acrs acsa acsc acsi acss ahab ahac ahah ahai ahar ahas ahha ahhs ahir ahis ahra ahrc ahrr ahrs ahsa ahss aiai aias aiba aica aicc aich aicr aics aiha aihs aiia aiib aiic aiir aira airh airi airs aisa aisb aish aisi aisr arab arac arah arai arar aras arba arbh arbi arbs arc- arca arch arci arcs arh- arhs aria arib arii aris arr- arra arrc arrh arri arrr arrs ars- arsa arsc arsi asaa asab asac asah asai asar asas asba asc- asca ascb ascc asch asci ascr asha ashi ashs asia asic asii asir asis asra asrc asrs assa assc assh assi assr asss ba-i baaa baah baar baas baba babb babi babr babs bac- baca bacc bach baci bacs baha bahi bahr bahs baia baib baic bair bais bar- bara barb barc barh bari barr bars basa basc bash basi bass bbas bbbb bbbs bbch bbci bbhs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bchs bcia bcis bcra bcrs bcsa bcsc bcss bhai bhar bhca bhcc bhhs bhir bhra biar bias biba bibb bibi bibs bica bicc bich bici bics biha bihi bihs biis bira birb biri birr birs bis- bisa bisc bish biss brab brac brah brai bras brca brcb brhs bria bric brih bris brrr brrs brsb brsr bsaa bsac bsas bsci bscs bshs bsic bsra bssc caaa caab caac caah caas caba cabi cabs cac- caca cacc cach caci cacr caha cahs caia caib caic cair cais cara carb carc cari carr cars casa casb casc cash casi casr cass cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbha cbhs cbia cbir cbrh cbsa cbsc cbsi ccaa ccab ccac ccai ccar ccas ccba ccbc ccca cccb cccc ccci cccs ccha cchr cchs ccic ccii ccir ccis ccra ccrc ccri ccrs ccsa ccsi ccss chaa chab chac chah chai char chas chca chch chci chcs chha chhs chia chib chic chih chir chis chra chrb chrc chrr chrs chsc chsh chsi chsr ciaa ciar cias ciba cibc cibi cica cicc cich cici cicr cics cihr cihs ciia ciii ciis cira cirb circ cirh ciri cirr cirs cis- cisa cisc cish cisr ciss crab crac crai crar cras crbc crca crcc crcr crhs cria crib cric cris crsa crss csaa csab csac csar csas cscb cscc csch csci cscr cscs cshs csia csib csir csis csra csrc csrs cssa cssr h-ii haab haar haas haba habi habs hacs haha hahs hair hais hara harc harh hari harr hars hasa hasc hash hasi hass hbar hbbs hbhs hbic hbrs hbss hcbc hcbs hcca hccb hccc hcch hccs hchi hchs hcis hcsa hcsc hcss hhaa hhhh hhhs hi-c hiaa hiab hiar hias hiba hibi hicc hich hics hihc hihi hiis hira hiri hirs hisb hish hiss hrac hras hrhs hrib hrrc hsac hsas hsbc hscc hsci hshs hsia iaaa iaac iaai iaas iaba iaca iacc iacr iacs iahc iahs iaia iais iara iarc iars iasa iasc iasi iasr ibac ibar ibas ibca ibcs ibia ibis ibra ibrc ibri ibsa ibss icaa icab icac icai icar icas icbc icbs icca iccb iccc icci iccr iccs ichc ichi ichr ichs icis icra icrc icrr icrs icsa icsb icsc icsh icsi icsr icss