-ic a-a a-b a-c a-i a-t aaa aab aac aai aas aat aay ab- aba abb abc abi abs abt aby ac- aca acb acc aci acs act acy ai- aia aib aic aii ais ait aiy as- asa asb asc asi ass ast asy at- ata atb atc ati ats att ay- aya ayc ayi ays ayt baa bab bac bai bas bat bay bba bbb bbc bbi bbs bbt bby bca bcb bcc bci bcs bct bcy bi- bia bib bic bii bis bit biy bsa bsb bsc bsi bss bst bsy bta btb btc bti bts btt bty by- bya byc byi bys byt c-- caa cab cac cai cas cat cay cba cbb cbc cbi cbs cbt cby cca ccb ccc cci ccs cct ci- cia cib cic cii cis cit csa csb csc csi css cst csy cta ctb ctc cti cts ctt cty cya cyb cyc cys cyt ia- iaa iab iac iai ias iat iba ibb ibc ibi ibs ibt iby ica icb icc ici ics ict icy iia iib iic iii iis iit is- isa isb isc isi iss ist isy ita itb itc iti its itt ity iya iyc iys iyt iyy saa sab sac sai sas sat say sba sbb sbc sbi sbs sbt sby sca scb scc sci scs sct sia sib sic sii sis sit ss- ssa ssb ssc ssi sss sst sta stb stc sti sts stt sty sy- sya syb syc syi sys syt taa tab tac tai tas tat tay tba tbb tbc tbi tbs tbt tca tcb tcc tci tcs tct tia tib tic tii tis tit tiy tsa tsb tsc tsi tss tst tsy tta ttb ttc tti tts ttt tty tya tyc tys tyt yaa yab yac yai yas yat yay ybc ybi ybs yby yca ycc yci ycs ycy yii yis yit ysa ysb ysc ysi yss yst ysy yta ytc yts ytt yyb yyc yys yyt yyy

a-ii a-ya aaaa aaab aaac aaai aaas aaba aabb aabc aabi aabt aaby aaca aacb aacc aaci aacs aact aacy aaib aaic aaii aais aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abas abat abay abb- abba abbb abbi abbs abbt abby abca abcb abcc abci abcs abct abia abib abic abis abit abiy abs- absa absi abss abta abts abyc abys abyt abyy ac-t acaa acab acac acai acas acat acba acca accc acci accs acct accy aci- acia acic acis acsa acsc acsi acss acst acta actc acti acts actt aiai aias aiba aica aicc aics aiia aiib aiic aisa aisb aisi aist aisy aita aiti aits aitt asaa asab asac asai asas asat asay asba asby asc- asca ascb ascc asci asct asia asic asii asis asit assa assc assi asss asst assy asta astb astc asti asts asty asya at-t ataa atab atac atai atas atat atay atbs atca atcc atcs atia atic atis atit atsb atsc atsi atst atta atti atts atty atya atys ayas ayat ayay ayca ayta ayya ba-i baaa baas baat baba babb babi babs baby bac- baca bacc baci bacs bact baia baib baic bais bait basa basc basi bass bast bata batc bati bats batt baty baya bayi bays bayt bbas bbay bbbb bbbs bbci bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcia bcis bcit bcsa bcsc bcss bctc bcts bias biat biba bibb bibi bibs bica bicc bici bics biis bis- bisa bisc biss bist bisy bita bitc bits bitt biya biys bsaa bsac bsas bsat bsci bscs bsic bssc bsts btaa btcc btcs btss bttb byas byit bysb bysi byss byst bysy byts caaa caab caac caas caat caba cabi cabs caby cac- caca cacc caci caia caib caic cais cait casa casb casc casi cass cast cat- cata catb catc cati cats catt caty cays cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbia cbit cbsa cbsc cbsi cbta cbtc cbyt ccaa ccab ccac ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs ccic ccii ccis ccsa ccsi ccss ccst cctb cctc cctt ciaa cias ciat ciba cibc cibi cica cicc cici cics cict ciia ciii ciis ciit cis- cisa cisc ciss cist cisy cita citb citi cits citt city csaa csab csac csas csat cscb cscc csci cscs csia csib csis csit cssa csta cstc csts csys ctab ctba ctbi ctbs ctca ctia ctic ctsa ctsc ctss ctta ctts cya- cyaa cyba cybb cybc cybi cyc- cyca cycb cycc cycs cyst cyt- cyta cytb cyy- cyyc i-by iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iaia iais iasa iasc iasi iata iatc iati iayc ibac ibas ibat ibca ibcs ibia ibis ibsa ibss ibtb ibtc ibts ibyi icaa icab icac icai icas icat icbc icbs icca iccb iccc icci iccs icct icis icsa icsb icsc icsi icss icst icta icts iiac iias iica iiii iiis iiit iisc iisi iist iita iitt is-a isac isai isas isat isay isba isbt isca iscc isci iscs isct isia isic isis isit issa issc issi isss issy ista istc isti ists isty isys itaa itac itai itas itat itay itbs itby itcs itia itic itis itsa itsi itsy itta itty iyai s-ib s-ic s-ii sa-c saab saac saas saat saba sabb sabc sabi sabs saca sacc saci sacs sact sacy saia saic sais sait sasa sasc sasi sass sast sata satb satc sati sats satt saya sayi says sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbct sbia sbic sbsa sbsi sbst sbtc scaa scab scac scai scas scat scay scba scbi sccc sccs scct sccy sci- scia scic scis scit scsa scsc scsi scst sctc scts siaa siab siac siai sias siat siba sibc sibi sibs siby sica sicc sici sics siit sisa sisc sisi siss sist sisy sit- sita sitc siti sits sitt sity siya siyi ssaa ssab ssac ssas ssat ssby ssca sscc ssci sscs ssis ssit sssa sssb sssc sssi ssss ssta sstb sstc ssts stab stac stai stas stat