-ic a-a a-b a-c a-i a-t aaa aab aac aai aas aat aau ab- aba abb abc abi abs abt abu ac- aca acb acc aci acs act acu ai- aia aib aic aii ais ait aiu as- asa asb asc asi ass ast asu at- ata atb atc ati ats att atu au- aua aub auc aui aus aut b-u baa bab bac bai bas bat bau bba bbb bbc bbi bbs bbt bbu bca bcb bcc bci bcs bct bcu bi- bia bib bic bii bis bit biu bsa bsb bsc bsi bss bst bsu bta btb btc bti bts btt btu bua bub buc bui bus but buu c-- caa cab cac cai cas cat cau cba cbb cbc cbi cbs cbt cbu cca ccb ccc cci ccs cct ccu ci- cia cib cic cii cis cit ciu csa csb csc csi css cst csu cta ctb ctc cti cts ctt ctu cua cub cuc cui cus cut cuu ia- iaa iab iac iai ias iat iau iba ibb ibc ibi ibs ibt ibu ica icb icc ici ics ict icu iia iib iic iii iis iit iiu is- isa isb isc isi iss ist isu ita itb itc iti its itt itu iu- iua iub iuc iui ius iut saa sab sac sai sas sat sau sba sbb sbc sbi sbs sbt sbu sca scb scc sci scs sct scu sia sib sic sii sis sit siu ss- ssa ssb ssc ssi sss sst ssu sta stb stc sti sts stt stu sua sub suc sui sus sut suu taa tab tac tai tas tat tau tba tbb tbc tbi tbs tbt tbu tca tcb tcc tci tcs tct tcu tia tib tic tii tis tit tiu tsa tsb tsc tsi tss tst tsu tta ttb ttc tti tts ttt ttu tua tub tuc tui tus tut tuu ua- uaa uab uac uai uas uat uau uba ubb ubc ubi ubs ubt ubu uca ucb ucc uci ucs uct ucu uia uib uic uii uis uit uiu usa usb usc usi uss ust usu uta utb utc uti uts utt utu uua uuc uus uut uuu

a-ii aaaa aaab aaac aaai aaas aaba aabb aabc aabi aabt aaca aacb aacc aaci aacs aact aacu aaib aaic aaii aais aasa aasc aasi aass aast aasu aata aatc aatt aaus abaa abab abac abai abas abat abau abb- abba abbb abbi abbs abbt abca abcb abcc abci abcs abct abia abib abic abis abit abiu abs- absa absi abss absu abta abts abtu abua abus abut ac-t acaa acab acac acai acas acat acba acca accc acci accs acct accu aci- acia acic acis acsa acsc acsi acss acst acta actc acti acts actt actu acu- acus acut aiai aias aiba aica aicc aics aiia aiib aiic aisa aisb aisi aist aita aiti aits aitt aitu aiui asaa asab asac asai asas asat asau asba asbu asc- asca ascb ascc asci asct asia asic asii asis asit assa assc assi asss asst assu asta astb astc asti asts asub asui asus at-t ataa atab atac atai atas atat atbs atca atcc atcs atia atic atis atit atiu atsb atsc atsi atst atta atti atts attu atua atub atuc atus auaa auca auci auct auis ausa aust ausu aut- auts ba-i baaa baas baat baba babb babi babs babu bac- baca bacc baci bacs bact baia baib baic bais bait basa basc basi bass bast basu bata batc bati bats batt batu bau- bbas bbau bbbb bbbs bbci bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcia bcis bcit bcsa bcsc bcss bctc bcts bcuc bias biat biba bibb bibi bibs bica bicc bici bics biis bis- bisa bisc biss bist bisu bita bitc bits bitt bitu bsaa bsac bsas bsat bsci bscs bsic bssc bsts btaa btcc btcs btss bttb btus buat buba bubb bubi bubs bubu buca bucc buci bucs bucu buic buis buit buiu busa busc busi buss bust busu but- buta buti buts butt buus caaa caab caac caas caat caba cabi cabs cabu cac- caca cacc caci caia caib caic cais cait caiu casa casb casc casi cass cast casu cat- cata catb catc cati cats catt catu cauc caus caut cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbcu cbia cbit cbsa cbsc cbsi cbta cbtc cbus ccaa ccab ccac ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs cccu ccic ccii ccis ccsa ccsi ccss ccst cctb cctc cctt ccuc ccus ccut ciaa cias ciat ciau ciba cibc cibi cica cicc cici cics cict cicu ciia ciii ciis ciit cis- cisa cisc ciss cist cita citb citi cits citt citu ciuc cius csaa csab csac csas csat cscb cscc csci cscs csia csib csis csit cssa csta cstc csts csua csus ctab ctba ctbi ctbs ctca ctia ctic ctsa ctsc ctss ctsu ctta ctts cuau cub- cuba cubb cubi cubs cuca cucc cuci cui- cuis cuit cusa cusb cuss cust cusu cut- cuta cutc cuts cutt iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iacu iaia iais iasa iasc iasi iata iatc iati ibac ibas ibat ibca ibcs ibia ibis ibsa ibss ibtb ibtc ibts ibus icaa icab icac icai icas icat icbc icbs icca iccb iccc icci iccs icct iccu icis icsa icsb icsc icsi icss icst icta icts icub icus iiac iias iica iiii iiis iiit iisc iisi iist iisu iita iitt iiuc is-a isac isai isas isat isba isbt isca iscc isci iscs isct iscu isia isic isis isit issa issc issi isss issu ista istc isti ists isua isus itaa itac itai itas itat itbs itcs itia itic itis itsa itsi itsu itta iucc iuiu iuss iust s-ib s-ic s-ii sa-c saab saac saas saat saba sabb sabc sabi sabs sabu saca sacc saci sacs sact sacu saia saic sais sait sasa sasc sasi sass sast sata satb satc sati sats satt satu saua sauc saus saut sbaa sbac sbai sbas sbbs sbca sbcc