-ic a-a a-b a-c a-i a-t aaa aab aac aae aai aas aat ab- aba abb abc abe abi abs abt ac- aca acb acc ace aci acs act aea aeb aec aee aei aes aet ai- aia aib aic aie aii ais ait as- asa asb asc ase asi ass ast at- ata atb atc ate ati ats att baa bab bac bae bai bas bat bba bbb bbc bbe bbi bbs bbt bca bcb bcc bce bci bcs bct be- bea beb bec bee bei bes bet bi- bia bib bic bie bii bis bit bsa bsb bsc bse bsi bss bst bta btb btc bte bti bts btt c-- caa cab cac cae cai cas cat cba cbb cbc cbe cbi cbs cbt cca ccb ccc cce cci ccs cct ce- cea ceb cec cee cei ces cet ci- cia cib cic cie cii cis cit csa csb csc cse csi css cst cta ctb ctc cte cti cts ctt eaa eab eac eae eai eas eat eba ebb ebc ebe ebi ebs ebt ec- eca ecb ecc ece eci ecs ect eea eeb eec eee ees eet eia eib eic eie eii eis eit es- esa esb esc ese esi ess est eta etb etc ete eti ets ett ia- iaa iab iac iae iai ias iat iba ibb ibc ibe ibi ibs ibt ica icb icc ice ici ics ict ie- iea iec iee iei ies iet iia iib iic iie iii iis iit is- isa isb isc ise isi iss ist ita itb itc ite iti its itt saa sab sac sae sai sas sat sba sbb sbc sbe sbi sbs sbt sca scb scc sce sci scs sct se- sea seb sec see sei ses set sia sib sic sie sii sis sit ss- ssa ssb ssc sse ssi sss sst sta stb stc ste sti sts stt taa tab tac tae tai tas tat tba tbb tbc tbe tbi tbs tbt tca tcb tcc tce tci tcs tct te- tea teb tec tee tei tes tet tia tib tic tie tii tis tit tsa tsb tsc tse tsi tss tst tta ttb ttc tte tti tts ttt

-ase a-be a-ii aaaa aaab aaac aaae aaai aaas aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aacs aact aaea aaec aaes aaib aaic aaii aais aasa aasc aase aasi aass aast aata aatc aatt abaa abab abac abae abai abas abat abb- abba abbb abbe abbi abbs abbt abca abcb abcc abci abcs abct abec abee abes abet abia abib abic abie abis abit abs- absa abse absi abss abta abts ac-t acaa acab acac acae acai acas acat acba acca accc acce acci accs acct ace- acea acec aces acet aci- acia acic acie acis acsa acsc acse acsi acss acst acta actc acte acti acts actt aeac aeas aebi aebs aecb aeci aect aeit aesc aess aest aeta aetc aett aiai aias aiba aica aicc aice aics aiea aiee aiet aiia aiib aiic aisa aisb aise aisi aist aita aite aiti aits aitt asaa asab asac asae asai asas asat asba asc- asca ascb ascc asce asci asct asea asec asee ases aset asia asic asie asii asis asit assa assc asse assi asss asst asta astb astc aste asti asts at-t ataa atab atac atae atai atas atat atbs atca atcc atcs atea atec atee atei ates atia atic atie atis atit atsb atsc atse atsi atst atta atte atti atts ba-i baaa baas baat baba babb babe babi babs bac- baca bacc bace baci bacs bact baes baia baib baic baie bais bait basa basc base basi bass bast bata batc bate bati bats batt bbas bbbb bbbs bbci bbeb bbet bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcec bces bcet bcia bcie bcis bcit bcsa bcsc bcss bctc bcts beas beat beba bebb bebe bebi beca beci becs beeb bees beet beia beic beis beit bes- besa bese bess best beta betc bete beti bets bett bias biat biba bibb bibe bibi bibs bica bicc bice bici bics bieb bies biet biis bis- bisa bisc bise biss bist bita bitc bite bits bitt bsaa bsac bsas bsat bsci bscs bsea bseb bsec bsee bses bset bsic bssc bsse bsts btaa btcc btcs btec btie btss bttb caaa caab caac caas caat caba cabe cabi cabs cac- caca cacc cace caci caec caei caes caia caib caic cais cait casa casb casc case casi cass cast cat- cata catb catc cate cati cats catt cbac cbat cbbc cbbs cbca cbcc cbce cbcs cbct cbea cbec cbee cbet cbia cbit cbsa cbsc cbse cbsi cbta cbtc ccaa ccab ccac ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs ccee ccic ccii ccis ccsa ccsi ccss ccst cctb cctc cctt ceac ceas ceat ceba cebs cec- ceca cece ceci cecs cect ceeb ceec cees cesa cesc cese cesi cess cest cet- ceta cete ceti cets ciaa cias ciat ciba cibc cibe cibi cica cicc cici cics cict ciee cies ciia ciii ciis ciit cis- cisa cisc cise ciss cist cita citb cite citi cits citt csaa csab csac csas csat cscb cscc csce csci cscs csea csec csee cset csia csib csis csit cssa csse csta cstc csts ctab ctae ctba ctbi ctbs ctca ctec ctia ctic ctsa ctsc ctss ctta ctts eaba eaca eacc eaec easa ease easi east eata eate eati eats ebac ebba ebbc ebbs ebcc ebes ebic ebis ebit ebsa ecaa ecac ecai ecat ecbc ecbe ecca eccb eccc ecce ecci ecct eces ecib ecis ecit ecsa ecsc ecse ecss ect- ecta ectc ects eeca eecs eeea eeee eees eese eesi eeta eetc eete eets eica eics eiec eiei eies eisa eise eiss eist eita eitb eitc eiti esab esac esai esas esat esba esbs esca escb esce esci escs esea esee eses eset esie esis esit essa esse essi esst esta estc este ests etai etas etat etbc etcc etcs etec etee