-ic a-a a-b a-c a-i aaa aab aac aah aai aao aar aas ab- aba abb abc abh abi abo abr abs ac- aca acb acc ach aci aco acr acs aha ahb ahc ahh ahi aho ahr ahs ai- aia aib aic aih aii aio air ais aoa aob aoc aoh aoi aoo aor aos ar- ara arb arc arh ari aro arr ars as- asa asb asc ash asi aso asr ass baa bab bac bah bai bao bar bas bba bbb bbc bbh bbi bbo bbr bbs bca bcb bcc bch bci bco bcr bcs bha bhb bhc bhh bhi bho bhr bhs bi- bia bib bic bih bii bio bir bis boa bob boc boh boi boo bor bos bra brb brh bri bro brr brs bsa bsb bsc bsh bsi bso bsr bss c-- caa cab cac cah cai cao car cas cba cbb cbc cbh cbi cbo cbr cbs cca ccb ccc cch cci cco ccr ccs ch- cha chb chc chh chi cho chr chs ci- cia cib cic cih cii cio cir cis co- coa cob coc coh coi coo cor cos cra crb crc crh cri cro crr crs csa csb csc csh csi cso csr css h-i haa hab hac hah hai hao har has hba hbb hbc hbh hbi hbo hbr hbs hca hcb hcc hch hci hco hcr hcs hha hhb hhc hhh hhi hho hhr hhs hia hib hic hih hii hio hir his hoa hob hoc hoh hoi hoo hor hos hr- hra hrb hrc hrh hri hro hrr hrs hsa hsb hsc hsh hsi hsr hss ia- iaa iab iac iah iai iao iar ias iba ibb ibc ibh ibi ibo ibr ibs ica icb icc ich ici ico icr ics iha ihb ihc ihh ihi iho ihr ihs iia iib iic iih iii iio iir iis io- ioa iob ioc ioh ioi ioo ior ios ir- ira irb irc iri iro irr irs is- isa isb isc ish isi iso isr iss o-i oaa oab oac oah oai oao oar oas ob- oba obb obc obh obi obo obr obs oc- oca ocb occ och oci oco ocr ocs oha ohc ohh ohi oho ohr ohs oia oib oic oii oio oir ois oo- ooa oob ooc ooh ooi ooo oor oos or- ora orb orc orh ori oro orr ors os- osa osb osc osh osi oso osr oss ra- raa rab rac rah rai rao rar ras rba rbb rbc rbh rbi rbo rbr rbs rca rcb rcc rch rci rco rcr rcs rh- rha rhb rhc rhh rhi rho rhr rhs ria rib ric rih rii rio rir ris roa rob roc roh roi roo ror ros rra rrb rrc rrh rri rrr rrs rsa rsb rsc rsh rsi rso rsr rss saa sab sac sah sai sao sar sas sba sbb sbc sbh sbi sbo sbr sbs sca scb scc sch sci sco scr scs sh- sha shb shc shh shi sho shr shs sia sib sic sih sii sio sir sis soa sob soc soh soi soo sor sos sr- sra srb src srh sri sro srr srs ss- ssa ssb ssc ssh ssi sso ssr sss

a-ha a-ii aaaa aaab aaac aaah aaai aaar aaas aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aaco aacr aacs aaha aahs aaib aaic aaii aais aaoo aara aarc aari aaro aars aasa aasc aasi aass abaa abab abac abai abar abas abb- abba abbb abbi abbo abbr abbs abca abcb abcc abch abci abcr abcs abha abhi abho abhr abhs abia abib abic abir abis aboa abob aboh aboo abor abos abra abrc abri abro abrs abs- absa absi abss acaa acab acac acai acar acas acba acca accc acch acci acco accs acha achh achi acho achr achs aci- acia acic acir acis acoa acoh acor acos acr- acra acrc acri acro acrr acrs acsa acsc acsi acss ahab ahac ahah ahai ahar ahas ahha ahhs ahio ahir ahis ahoa ahor ahra ahrc ahrr ahrs ahsa ahso ahss aiai aias aiba aibo aica aicc aich aicr aics aiha aiho aihs aiia aiib aiic aiir aioc aioi aira airh airi airo airs aisa aisb aish aisi aiso aisr aoah aoba aoca aocs aora aorb aors aoss arab arac arah arai arar aras arba arbh arbi arbs arc- arca arch arci arco arcs arh- arhs aria arib arii ario aris aroa arob aroi aroo aror aros arr- arra arrc arrh arri arro arrr arrs ars- arsa arsc arsi arso asaa asab asac asah asai asao asar asas asba asbo asc- asca ascb ascc asch asci asco ascr asha ashi ashs asia asic asii asio asir asis asob asoc asoi asor asos asra asrc asro asrs assa assc assh assi asso assr asss ba-i baaa baah baar baas baba babb babi babo babr babs bac- baca bacc bach baci baco bacs baha bahi baho bahr bahs baia baib baic baio bair bais baoh baos bar- bara barb barc barh bari baro barr bars basa basc bash basi baso bass bbas bbbb bbbs bbch bbci bbhs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bchs bcia bcis bcor bcos bcra bcrs bcsa bcsc bcss bhai bhao bhar bhca bhcc bhhs bhir bhoi bhor bhra biao biar bias biba bibb bibi bibo bibs bica bicc bich bici bico bics biha bihi bihs biis bio- bioc bioi bios bira birb biri biro birr birs bis- bisa bisc bish biso biss boab boac boai boar boas boba bobb bobi bobo bobs boca boch boco bocs boha boho bohr bohs boi- boii bois boob booc booh boor boos bor- bora borh bori boro borr bors bosa bosc bosh bosi boso boss brab brac brah brai brao bras brca brcb brhs bria bric brih brio bris broa brob broc broh broo bror bros brrr brrs brsb brsr bsaa bsac bsas bsci bscs bshs bsic bsos bsra bssc c-bo caaa caab caac caah caas caba cabi