-ic a-a a-b a-c a-i aaa aab aac aaf aah aai aao aas ab- aba abb abc abf abh abi abo abs ac- aca acb acc acf ach aci aco acs af- afa afb afc aff afh afi afo afs aha ahb ahc ahf ahh ahi aho ahs ai- aia aib aic aif aih aii aio ais aoa aob aoc aof aoh aoi aoo aos as- asa asb asc asf ash asi aso ass baa bab bac baf bah bai bao bas bba bbb bbc bbf bbh bbi bbo bbs bca bcb bcc bcf bch bci bco bcs bfa bfb bfc bff bfh bfi bfo bfs bha bhb bhc bhf bhh bhi bho bhs bi- bia bib bic bif bih bii bio bis boa bob boc bof boh boi boo bos bsa bsb bsc bsf bsh bsi bso bss c-- caa cab cac caf cah cai cao cas cba cbb cbc cbf cbh cbi cbo cbs cca ccb ccc ccf cch cci cco ccs cfa cfb cfc cff cfh cfi cfo cfs ch- cha chb chc chf chh chi cho chs ci- cia cib cic cif cih cii cio cis co- coa cob coc cof coh coi coo cos csa csb csc csf csh csi cso css faa fab fac faf fah fai fao fas fba fbb fbc fbf fbh fbi fbo fbs fca fcb fcc fcf fci fco fcs ffa ffc fff ffh ffi ffo ffs fha fhb fhc fhf fhh fhi fho fhs fia fib fic fif fih fii fis foa fob foc fof foh foi foo fos fsa fsb fsc fsf fsh fsi fso fss h-i haa hab hac haf hah hai hao has hba hbb hbc hbf hbh hbi hbo hbs hca hcb hcc hcf hch hci hco hcs hfa hfb hfc hff hfh hfi hfo hfs hha hhb hhc hhf hhh hhi hho hhs hia hib hic hif hih hii hio his hoa hob hoc hof hoh hoi hoo hos hsa hsb hsc hsf hsh hsi hss i-f ia- iaa iab iac iaf iah iai iao ias iba ibb ibc ibf ibh ibi ibo ibs ica icb icc icf ich ici ico ics ifa ifb ifc iff ifi ifo ifs iha ihb ihc ihf ihh ihi iho ihs iia iib iic iif iih iii iio iis io- ioa iob ioc iof ioh ioi ioo ios is- isa isb isc isf ish isi iso iss o-i oaa oab oac oaf oah oai oao oas ob- oba obb obc obf obh obi obo obs oc- oca ocb occ ocf och oci oco ocs of- ofa ofb ofc off ofi ofo ofs oha ohc ohf ohh ohi oho ohs oia oib oic oif oii oio ois oo- ooa oob ooc oof ooh ooi ooo oos os- osa osb osc osf osh osi oso oss saa sab sac saf sah sai sao sas sba sbb sbc sbf sbh sbi sbo sbs sca scb scc scf sch sci sco scs sfa sfb sfc sff sfh sfi sfo sfs sh- sha shb shc shf shh shi sho shs sia sib sic sif sih sii sio sis soa sob soc sof soh soi soo sos ss- ssa ssb ssc ssf ssh ssi sso sss

a-ha a-ii aaaa aaab aaac aaaf aaah aaai aaas aaba aabb aabc aabh aabi aaca aacb aacc aacf aach aaci aaco aacs aafa aafb aafc aaff aafi aaha aahs aaib aaic aaii aais aaoo aasa aasc aasf aasi aass abaa abab abac abaf abai abas abb- abba abbb abbi abbo abbs abca abcb abcc abcf abch abci abcs abff abha abhi abho abhs abia abib abic abis aboa abob abof aboh aboo abos abs- absa absf absi abss acaa acab acac acai acas acba acca accc accf acch acci acco accs acfc acfi acfs acha achh achi acho achs aci- acia acic acif acis acoa acoh acos acsa acsc acsi acss afaa afao afbs afca afcb afcc afch afci afcs affa affc affi affo affs afhs afia afib afif afis afoa afoo afsa afsb afsc ahab ahac ahah ahai ahas ahfa ahha ahhs ahio ahis ahoa ahsa ahso ahss aiai aias aiba aibo aica aicc aicf aich aics aiff aifs aiha aiho aihs aiia aiib aiic aioc aioi aisa aisb aish aisi aiso aoah aoba aoca aocs aoss asaa asab asac asaf asah asai asao asas asba asbo asc- asca ascb ascc asch asci asco asfa asfi asha ashi ashs asia asic asif asii asio asis asob asoc asof asoi asos assa assc assh assi asso asss ba-i baaa baaf baah baas baba babb babi babo babs bac- baca bacc bach baci baco bacs bafc baff bafo baha bahi baho bahs baia baib baic baio bais baoh baos basa basc basf bash basi baso bass bbas bbbb bbbs bbch bbci bbfc bbhs bcaa bcas bcbc bcbs bcca bccc bcci bccs bcfc bchs bcia bcis bcof bcos bcsa bcsc bcss bfas bfca bfcs bffs bfhs bfsi bhai bhao bhca bhcc bhff bhhs bhoi bhsf biaf biao bias biba bibb bibi bibo bibs bica bicc bich bici bico bics bifa biff bifi 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 bofa boff bofh bofs boha boho bohs boi- boii bois boob booc boof booh boos bosa bosc bosh bosi boso boss bsaa bsac bsas bsci bscs bsfa bsfc bsff bsfs bshs bsic bsos bssc c-bo caaa caab caac caaf caah caas caba cabf cabi cabo cabs cac- caca cacc cach caci caco cafa cafb cafc caff cafs caha cahs caia caib caic caio cais caoi caos casa casb casc cash casi caso 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 ccob ccoc ccsa ccsf ccsi ccss cfaa cfab cfac cfao cfbc cfbs cfca cfcb cfcf cfco cfcs cffb cfhs cfia cfoa