-ic a-a a-b a-c a-i a-t aaa aab aac aai aap aas aat ab- aba abb abc abi abp abs abt ac- aca acb acc aci acp acs act ai- aia aib aic aii aip ais ait ap- apa apb apc api app aps apt as- asa asb asc asi asp ass ast at- ata atb atc ati atp ats att b-p baa bab bac bai bap bas bat bba bbb bbc bbi bbp bbs bbt bca bcb bcc bci bcp bcs bct bi- bia bib bic bii bip bis bit bpa bpb bpc bpi bpp bps bpt bsa bsb bsc bsi bsp bss bst bta btb btc bti btp bts btt c-- caa cab cac cai cap cas cat cba cbb cbc cbi cbp cbs cbt cca ccb ccc cci ccp ccs cct ci- cia cib cic cii cip cis cit cpa cpb cpc cpi cpp cps cpt csa csb csc csi csp css cst cta ctb ctc cti ctp cts ctt ia- iaa iab iac iai iap ias iat iba ibb ibc ibi ibp ibs ibt ica icb icc ici icp ics ict iia iib iic iii iip iis iit ipa ipb ipc ipi ipp ips ipt is- isa isb isc isi isp iss ist ita itb itc iti itp its itt p-p paa pab pac pai pap pas pat pba pbb pbc pbi pbp pbs pbt pca pcb pcc pci pcp pcs pct pia pib pic pii pip pis pit ppa ppb ppc ppi ppp pps ppt ps- psa psb psc psi psp pss pst pt- pta ptb ptc pti ptp pts ptt saa sab sac sai sap sas sat sba sbb sbc sbi sbp sbs sbt sca scb scc sci scp scs sct sia sib sic sii sip sis sit spa spb spc spi spp sps spt ss- ssa ssb ssc ssi ssp sss sst sta stb stc sti stp sts stt taa tab tac tai tap tas tat tba tbb tbc tbi tbp tbs tbt tca tcb tcc tci tcp tcs tct tia tib tic tii tip tis tit tpa tpb tpc tpi tpp tps tpt tsa tsb tsc tsi tsp tss tst tta ttb ttc tti ttp tts ttt

a-ii aaaa aaab aaac aaai aaap aaas aaba aabb aabc aabi aabp aabt aaca aacb aacc aaci aacp aacs aact aaib aaic aaii aais aapa aapc aapi aaps aapt aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abap abas abat abb- abba abbb abbi abbs abbt abca abcb abcc abci abcp abcs abct abia abib abic abis abit abpa abpc abpi abpp abps abs- absa absi absp abss abta abts ac-t acaa acab acac acai acap acas acat acba acca accc acci accp accs acct aci- acia acic acip acis acpa acpi acps acpt acsa acsc acsi acss acst acta actc acti acts actt aiai aias aiba aica aicc aicp aics aiia aiib aiic aipa aipi aips aisa aisb aisi aist aita aiti aits aitt apac apai apap apas apat apba apbs apca apcb apcc apcs api- apia apic apip apis apit appa appc apps appt apsa apsi apss apta aptc apti apts aptt asaa asab asac asai asap asas asat asba asc- asca ascb ascc asci ascp asct asia asic asii asip asis asit aspa aspc aspi asps aspt assa assc assi assp asss asst asta astb astc asti astp asts at-t ataa atab atac atai atap atas atat atbs atca atcc atcs atia atic atip atis atit atsb atsc atsi atst atta atti attp atts ba-i baaa baas baat baba babb babi babs bac- baca bacc baci bacs bact baia baib baic bais bait bapa bapc bapi bapp baps bapt basa basc basi bass bast bata batc bati bats batt bbas bbbb bbbs bbci bcaa bcap bcas bcat bcbc bcbp bcbs bcca bccc bcci bccs bcia bcis bcit bcpp bcps bcsa bcsc bcss bctc bcts biap bias biat biba bibb bibi bibs bica bicc bici bics biis bipa bipp bips bis- bisa bisc bisp biss bist bita bitc bits bitt bpai bpcp bpsa bpti bsaa bsac bsap bsas bsat bsci bscp bscs bsic bspp bssc bsts btaa btbp btcc btcs btps btss bttb caaa caab caac caap caas caat caba cabi cabs cac- caca cacc caci caia caib caic caip cais cait capa capb capc capi capp caps capt casa casb casc casi casp cass cast cat- cata catb catc cati cats catt cbac cbat cbbc cbbs cbca cbcc cbcp cbcs cbct cbia cbit cbpc cbpp cbsa cbsc cbsi cbta cbtc ccaa ccab ccac ccai ccap ccas ccat ccba ccbc ccca cccb cccc ccci cccp cccs ccic ccii ccip ccis ccpa ccpp ccps ccsa ccsi ccsp ccss ccst cctb cctc cctt ciaa cias ciat ciba cibc cibi cica cicc cici cics cict ciia ciii ciis ciit cipa cipp cips cis- cisa cisc cisp ciss cist cita citb citi citp cits citt cpaa cpac cpap cpas cpbc cpca cpcs cpia cpic cppa cpps cpsa cpsc cptp cpts csaa csab csac csas csat cscb cscc csci cscs csia csib csis csit cspa cspb cspc cspi csps cspt cssa csta cstc csts ctab ctba ctbi ctbs ctca ctcp ctia ctic ctpp ctps ctsa ctsc ctss ctta ctts iaaa iaac iaai iaap iaas iaat iaba iaca iacc iacp iacs iact iaia iais iapa iapp iaps iapt iasa iasc iasi iasp iata iatc iati ibac ibas ibat ibca ibcs ibia ibis ibsa ibss ibtb ibtc ibts icaa icab icac icai icap icas icat icbc icbp icbs icca iccb iccc icci iccp iccs icct icis icpa icpc icps icsa icsb icsc icsi icsp icss icst icta ictp icts iiac iias iica iiii iiis iiit iipa iisc iisi iisp iist iita iitt ipac ipas ipat ipba ipca ipcc ipcs ipct ippa ippc ipsa ipsc ipsi ipsp ipss ipta iptc ipts is-a isac isai isas isat isba isbt isca iscc isci iscp iscs isct isia isic isis isit ispa ispc isps issa issc issi issp isss ista istc isti istp ists itaa itac itai itap itas itat