-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aao aas aat ab- aba abb abc abh abi abo abs abt ac- aca acb acc ach aci aco acs act aha ahb ahc ahh ahi aho ahs aht ai- aia aib aic aih aii aio ais ait aoa aob aoc aoh aoi aoo aos aot as- asa asb asc ash asi aso ass ast at- ata atb atc ath ati ato ats att baa bab bac bah bai bao bas bat bba bbb bbc bbh bbi bbo bbs bbt bca bcb bcc bch bci bco bcs bct bha bhb bhc bhh bhi bho bhs bht bi- bia bib bic bih bii bio bis bit boa bob boc boh boi boo bos bot bsa bsb bsc bsh bsi bso bss bst bta btb btc bth bti bto bts btt c-- caa cab cac cah cai cao cas cat cba cbb cbc cbh cbi cbo cbs cbt cca ccb ccc cch cci cco ccs cct ch- cha chb chc chh chi cho chs cht ci- cia cib cic cih cii cio cis cit co- coa cob coc coh coi coo cos cot csa csb csc csh csi cso css cst cta ctb ctc cth cti cto cts ctt h-i haa hab hac hah hai hao has hat hba hbb hbc hbh hbi hbo hbs hbt hca hcb hcc hch hci hco hcs hct hha hhb hhc hhh hhi hho hhs hht hia hib hic hih hii hio his hit hoa hob hoc hoh hoi hoo hos hot hsa hsb hsc hsh hsi hss hst hta htb htc hth hti hto hts htt ia- iaa iab iac iah iai iao ias iat iba ibb ibc ibh ibi ibo ibs ibt ica icb icc ich ici ico ics ict iha ihb ihc ihh ihi iho ihs iht iia iib iic iih iii iio iis iit io- ioa iob ioc ioh ioi ioo ios iot is- isa isb isc ish isi iso iss ist ita itb itc ith iti ito its itt o-i oaa oab oac oah oai oao oas oat ob- oba obb obc obh obi obo obs obt oc- oca ocb occ och oci oco ocs oct oha ohc ohh ohi oho ohs oht oia oib oic oii oio ois oit oo- ooa oob ooc ooh ooi ooo oos oot os- osa osb osc osh osi oso oss ost ot- ota otb otc oth oti oto ots ott saa sab sac sah sai sao sas sat sba sbb sbc sbh sbi sbo sbs sbt sca scb scc sch sci sco scs sct sh- sha shb shc shh shi sho shs sht sia sib sic sih sii sio sis sit soa sob soc soh soi soo sos sot ss- ssa ssb ssc ssh ssi sso sss sst sta stb stc sth sti sto sts stt taa tab tac tah tai tao tas tat tba tbb tbc tbh tbi tbo tbs tbt tca tcb tcc tch tci tco tcs tct th- tha thb thc thh thi tho ths tht tia tib tic tih tii tio tis tit to- toa tob toc toh toi too tos tot tsa tsb tsc tsh tsi tso tss tst tta ttb ttc tth tti tto tts ttt

a-ha a-ii aaaa aaab aaac aaah aaai aaas aaba aabb aabc aabh aabi aabt aaca aacb aacc aach aaci aaco aacs aact aaha aahs aaib aaic aaii aais aaoo aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abas abat abb- abba abbb abbi abbo abbs abbt abca abcb abcc abch abci abcs abct abha abhi abho abhs abia abib abic abis abit aboa abob aboh aboo abos abot abs- absa absi abss abta abts ac-t acaa acab acac acai acas acat acba acca accc acch acci acco accs acct acha achh achi acho achs acht aci- acia acic acis acoa acoh acos acot acsa acsc acsi acss acst acta actc acth acti acto acts actt ahab ahac ahah ahai ahas ahat ahha ahhs ahio ahis ahit ahoa ahot ahsa ahso ahss ahta ahti ahto ahts aiai aias aiba aibo aica aicc aich aics aiha aiho aihs aiia aiib aiic aioc aioi aisa aisb aish aisi aiso aist aita aith aiti aits aitt aoah aoba aoca aocs aoss aotc asaa asab asac asah asai asao asas asat asba asbo asc- asca ascb ascc asch asci asco asct asha ashi ashs asht asia asic asii asio asis asit asob asoc asoi asos asot assa assc assh assi asso asss asst asta astb astc asti asto asts at-t ataa atab atac atai atas atat atbs atca atcc atch atco atcs atha athi atho aths atia atic atis atit atob atoc atoi atos atot atsb atsc atsi atst atta atti atto atts ba-i baaa baah baas baat baba babb babi babo babs bac- baca bacc bach baci baco bacs bact baha bahi baho bahs baht baia baib baic baio bais bait baoh baos basa basc bash basi baso bass bast bata batc bath bati bato bats batt bbas bbbb bbbs bbch bbci bbhs bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bchs bcia bcis bcit bcos bcsa bcsc bcss bctc bcts bhai bhao bhat bhca bhcc bhhs bhit bhoi bhot biao bias biat biba bibb bibi bibo bibs bica bicc bich bici bico bics biha bihi bihs biis bio- bioc bioi bios biot bis- bisa bisc bish biso biss bist bita bitc bith bito bits bitt boab boac boai boas boat boba bobb bobi bobo bobs boca boch boco bocs boha boho bohs boht boi- boii bois boit boob booc booh boos boot bosa bosc bosh bosi boso boss bost bota botb both boti boto bots bott bsaa bsac bsas bsat bsci bscs bshs bsic bsos bssc bsts btaa btcc btcs bths btob btss bttb c-bo caaa caab caac caah caas caat caba cabi cabo cabs cac- caca cacc cach caci caco caha cahs caht caia caib caic caio cais cait caoi caos casa casb casc cash casi caso