-ic a-a a-b a-c a-i a-t aaa aab aac aai aak aas aat aau ab- aba abb abc abi abk abs abt abu ac- aca acb acc aci ack acs act acu ai- aia aib aic aii aik ais ait aiu aka akb akc aki akk aks aku as- asa asb asc asi ask ass ast asu at- ata atb atc ati ats att atu au- aua aub auc aui auk aus aut b-u baa bab bac bai bak bas bat bau bba bbb bbc bbi bbk bbs bbt bbu bca bcb bcc bci bck bcs bct bcu bi- bia bib bic bii bik bis bit biu bka bkb bkc bkk bks bkt bsa bsb bsc bsi bsk bss bst bsu bta btb btc bti btk bts btt btu bua bub buc bui buk bus but buu c-- caa cab cac cai cak cas cat cau cba cbb cbc cbi cbk cbs cbt cbu cca ccb ccc cci cck ccs cct ccu ci- cia cib cic cii cik cis cit ciu cka ckb ckc cki cks ckt csa csb csc csi csk css cst csu cta ctb ctc cti ctk cts ctt ctu cua cub cuc cui cuk cus cut cuu ia- iaa iab iac iai ias iat iau iba ibb ibc ibi ibk ibs ibt ibu ica icb icc ici ick ics ict icu iia iib iic iii iis iit iiu ika ikb ikc iki ikk iks ikt iku is- isa isb isc isi isk iss ist isu ita itb itc iti itk its itt itu iu- iua iub iuc iui ius iut k-t ka- kaa kab kac kai kak kas kat kau kba kbb kbc kbi kbk kbs kbu kca kcb kcc kci kck kcs kct kcu kia kib kic kii kik kis kit kiu kkb kkc kki kkk kks kkt kku ksa ksb ksc ksi ksk kss kst ksu kta ktb ktc ktk kts ktt ktu kub kuc kui kuk kus kut kuu saa sab sac sai sak sas sat sau sba sbb sbc sbi sbk sbs sbt sbu sca scb scc sci sck scs sct scu sia sib sic sii sik sis sit siu sk- ska skb skc ski skk sks skt sku ss- ssa ssb ssc ssi ssk sss sst ssu sta stb stc sti stk sts stt stu sua sub suc sui suk sus sut suu taa tab tac tai tak tas tat tau tba tbb tbc tbi tbk tbs tbt tbu tca tcb tcc tci tck tcs tct tcu tia tib tic tii tik tis tit tiu tka tkb tkc tkk tks tkt tsa tsb tsc tsi tsk tss tst tsu tta ttb ttc tti ttk tts ttt ttu tua tub tuc tui tuk tus tut tuu ua- uaa uab uac uai uak uas uat uau uba ubb ubc ubi ubk ubs ubt ubu uca ucb ucc uci uck ucs uct ucu uia uib uic uii uis uit uiu uka ukb ukc uki ukk uku usa usb usc usi usk uss ust usu uta utb utc uti utk uts utt utu uua uuc uus uut uuu

a-ak a-ii aaaa aaab aaac aaai aaas aaba aabb aabc aabi aabt aaca aacb aacc aaci aack aacs aact aacu aaib aaic aaii aais aaka aaku aasa aasc aasi aass aast aasu aata aatc aatk aatt aaus abaa abab abac abai abak 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 abuk abus abut ac-t acaa acab acac acai acas acat acba acca accc acci accs acct accu aci- acia acic acis acks acsa acsc acsi acss acst acta actc acti acts actt actu acu- acus acut aiai aias aiba aica aicc aics aiia aiib aiic aika aiki aiks aisa aisb aisi aisk aist aita aiti aits aitt aitu aiui akaa akai akas akca akia akik akis akiu akka akki akku aksa aksi akst aksu akua asaa asab asac asai asak asas asat asau asba asbu asc- asca ascb ascc asci asct asia asic asii asik asis asit aska aski asks askt assa assc assi assk asss asst assu asta astb astc asti asts asub asui asus at-t ataa atab atac atai atak atas atat atbs atca atcc atck atcs atia atic atik atis atit atiu atka atkt atsb atsc atsi atst atta atti atts attu atua atub atuc atuk atus auaa auca auci auct auis auki auks ausa aust ausu aut- auts ba-i baaa baak baas baat baba babb babi babs babu bac- baca bacc baci back bacs bact baia baib baic baik bais bait bak- baka baki baks bakt baku basa basc basi bask bass bast basu bata batc bati bats batt batu bau- bauk bbas bbau bbbb bbbs bbci bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcia bcis bcit bcsa bcsc bcss bctc bcts bcuc biak bias biat biba bibb bibi bibs bica bicc bici bick bics biis biku bis- bisa bisc bisk biss bist bisu bita bitc bits bitt bitu bsaa bsac bsas bsat bsci bscs bsic bskt bssc bsts btaa btcc btcs btss bttb btus buat buba bubb bubi bubs bubu buca bucc buci buck bucs bucu buic buik buis buit buiu buka buki bukk buku busa busc busi busk buss bust busu but- buta buti buts butt buus caaa caab caac caas caat caba cabi cabs cabu cac- caca cacc caci cack caia caib caic caik cais cait caiu caka casa casb casc casi cask cass cast casu cat- cata catb catc cati cats catt catu cauc cauk caus caut cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbcu cbia cbit cbka 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 ciak cias ciat ciau ciba cibc cibi cica cicc cici cics cict cicu ciia ciii ciis ciit cika cis- cisa cisc cisk