-ic a-a a-b a-c a-i a-t aaa aab aac aad aai aas aat ab- aba abb abc abd abi abs abt ac- aca acb acc acd aci acs act ad- ada adb adc add adi ads adt ai- aia aib aic aid aii ais ait as- asa asb asc asd asi ass ast at- ata atb atc atd ati ats att baa bab bac bad bai bas bat bba bbb bbc bbd bbi bbs bbt bca bcb bcc bcd bci bcs bct bda bdb bdc bdd bdi bds bdt bi- bia bib bic bid bii bis bit bsa bsb bsc bsd bsi bss bst bta btb btc btd bti bts btt c-- caa cab cac cad cai cas cat cba cbb cbc cbd cbi cbs cbt cca ccb ccc ccd cci ccs cct cda cdb cdc cdd cdi cds cdt ci- cia cib cic cid cii cis cit csa csb csc csd csi css cst cta ctb ctc ctd cti cts ctt daa dab dac dad dai das dat dba dbb dbc dbd dbi dbs dbt dca dcb dcc dcd dci dcs dct dda ddb ddc ddd ddi dds ddt di- dia dib dic did dii dis dit dsa dsb dsc dsd dsi dss dst dta dtb dtc dtd dti dts dtt i-d ia- iaa iab iac iad iai ias iat iba ibb ibc ibd ibi ibs ibt ica icb icc icd ici ics ict ida idb idc idd idi ids idt iia iib iic iid iii iis iit is- isa isb isc isd isi iss ist ita itb itc itd iti its itt saa sab sac sad sai sas sat sba sbb sbc sbd sbi sbs sbt sca scb scc scd sci scs sct sda sdb sdc sdd sdi sds sdt sia sib sic sid sii sis sit ss- ssa ssb ssc ssd ssi sss sst sta stb stc std sti sts stt taa tab tac tad tai tas tat tba tbb tbc tbd tbi tbs tbt tca tcb tcc tcd tci tcs tct tda tdb tdc tdd tdi tds tdt tia tib tic tid tii tis tit tsa tsb tsc tsd tsi tss tst tta ttb ttc ttd tti tts ttt

a-ii aaaa aaab aaac aaad aaai aaas aaba aabb aabc aabd aabi aabt aaca aacb aacc aacd aaci aacs aact aada aadc aadi aads aadt aaib aaic aaii aais aasa aasc aasd aasi aass aast aata aatc aatt abaa abab abac abad abai abas abat abb- abba abbb abbi abbs abbt abca abcb abcc abcd abci abcs abct abda abdi abia abib abic abid abis abit abs- absa absd absi abss abta abts ac-t acaa acab acac acad acai acas acat acba acca accc accd acci accs acct acda acdb acdc acdi acds acdt aci- acia acic acid acis acsa acsc acsd acsi acss acst acta actc acti acts actt adaa adab adac adad adai adas adat adba adbc adbi adcc adci adcs adda addc addd addi adds adia adib adic adis adit adsa adsi adss adst adta adts aiai aias aiba aica aicc aicd aics aida aidb aidc aidi aids aidt aiia aiib aiic aiid aisa aisb aisd aisi aist aita aiti aits aitt asaa asab asac asad asai asas asat asba asc- asca ascb ascc asci asct asda asds asia asic asii asis asit assa assc assd assi asss asst asta astb astc asti asts at-t ataa atab atac atad atai atas atat atbs atca atcc atcs atdi atdt atia atic atid atis atit atsb atsc atsi atst atta atti atts ba-i baaa baad baas baat baba babb babi babs bac- baca bacc baci bacs bact bada badb badd badi bads baia baib baic baid bais bait basa basc basi bass bast bata batc bati bats batt bbad bbas bbbb bbbs bbci bbdd bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcda bcds bcia bcis bcit bcsa bcsc bcss bctc bcts bdbc bddc bdii bdsd biad bias biat biba bibb bibi bibs bica bicc bici bics bida bidi bids biis bis- bisa bisc bisd biss bist bita bitc bitd bits bitt bsaa bsac bsas bsat bsbd bsci bscs bsic bssc bssd bsts btaa btcc btcs btdt btss bttb c-cd caaa caab caac caas caat caba cabi cabs cac- caca cacc caci cada cadc cadd cadi cads caia caib caic caid cais cait casa casb casc casd casi cass cast cat- cata catb catc catd cati cats catt cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbdb cbdc cbdi cbds cbia cbid cbit cbsa cbsc cbsi cbta cbtc ccaa ccab ccac ccad ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs ccdc ccdi ccds ccic ccid ccii ccis ccsa ccsd ccsi ccss ccst cctb cctc cctt cdaa cdac cdad cdai cdba cdcs cdda cddb cdic cdii cdis cdss ciaa cias ciat ciba cibc cibi cica cicc cici cics cict cida cidc cidi cids cidt ciia ciid ciii ciis ciit cis- cisa cisc cisd ciss cist cita citb citi cits citt csaa csab csac csas csat cscb cscc cscd csci cscs csda csdb csia csib csid csis csit cssa cssd csta cstc cstd csts ctab ctba ctbi ctbs ctca ctia ctic ctsa ctsc ctss ctta ctts daab daad daas daba dabb dabs dabt daca daci dacs dact dada dadi dads daia daid dais dait dasa dasb dasc dasd dasi dass dast data dati dats datt dbas dbcc dbcs dbit dbsa dbss dbtt dcas dcbc dcca dccb dccc dcci dccs dcct dcdb dcds dcia dcii dcis dcsc dcss dctc dcts dddd ddss ddts dia- diab diac diad dias diat diba dibb dibs dica dici dict dida didi dids diii diis dis- disa disc disd disi diss dist dita diti dits ditt dsac dsba dsbc dscc dscs dsda dssa dssc dssi dsst dstc dsts dtaa dtac dtcc dtss iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iadb iadc iadt iaia iais iasa iasc iasi iata iatc iati ibac ibad ibas ibat ibca ibcs ibia ibid ibis ibsa ibss ibtb ibtc ibts icaa icab icac icad