a-a a-b a-c aaa aab aac aae aak aam aas aau ab- aba abb abc abe abk abm abs abu ac- aca acb acc ace ack acm acs acu aea aeb aec aee aek aem aes aeu aka akb akc ake akk akm aks aku ama amb amc ame amk amm ams amu as- asa asb asc ase ask asm ass asu au- aua aub auc aue auk aum aus b-u baa bab bac bae bak bam bas bau bba bbb bbc bbe bbk bbm bbs bbu bca bcb bcc bce bck bcm bcs bcu be- bea beb bec bee bek bem bes beu bka bkb bkc bke bkk bkm bks bma bmb bmc bme bmk bmm bms bmu bsa bsb bsc bse bsk bsm bss bsu bua bub buc bue buk bum bus buu c-- caa cab cac cae cak cam cas cau cba cbb cbc cbe cbk cbm cbs cbu cca ccb ccc cce cck ccm ccs ccu ce- cea ceb cec cee cek cem ces ceu cka ckb ckc ckm cks cma cmb cmc cme cmk cmm cms cmu csa csb csc cse csk csm css csu cua cub cuc cue cuk cum cus cuu eaa eab eac eae eak eam eas eau eba ebb ebc ebe ebk ebm ebs ebu ec- eca ecb ecc ece eck ecm ecs ecu eea eeb eec eee eek eem ees eka ekb ekc eke eks eku em- ema emb emc eme emk emm ems emu es- esa esb esc ese esk esm ess esu eu- eua eub euc eue eus ka- kaa kab kac kae kak kam kas kau kba kbb kbc kbe kbk kbm kbs kbu kca kcb kcc kce kck kcm kcs kcu ke- kea keb kec kee kek kem kes kkb kkc kke kkk kkm kks kku kma kmb kmc kme kmk kmm kms kmu ksa ksb ksc kse ksk ksm kss ksu kub kuc kue kuk kum kus kuu maa mab mac mae mak mam mas mau mba mbb mbc mbe mbk mbm mbs mbu mc- mca mcb mcc mce mck mcm mcs mcu mea meb mec mee mek mem mes meu mka mkb mkc mke mkk mkm mks mku mma mmb mmc mme mmk mmm mms mmu msa msb msc mse msk msm mss msu mua mub muc mue muk mum mus muu saa sab sac sae sak sam sas sau sba sbb sbc sbe sbk sbm sbs sbu sca scb scc sce sck scm scs scu se- sea seb sec see sek sem ses seu sk- ska skb skc ske skk skm sks sku sma smb smc sme smk smm sms smu ss- ssa ssb ssc sse ssk ssm sss ssu sua sub suc sue suk sum sus suu ua- uaa uab uac uae uak uam uas uau uba ubb ubc ube ubk ubs ubu uca ucb ucc uce uck ucm ucs ucu uea ueb uec uee uem ues uka ukb ukc uke ukk uku um- uma umb umc ume umm ums umu usa usb usc use usk usm uss usu uua uuc uue uum uus uuu

-ase a-ak a-be aaaa aaab aaac aaae aaam aaas aaba aabb aabc aabm aaca aacb aacc aace aack aacm aacs aacu aaea aaec aaem aaes aaka aake aaku aama aamb aamc aame aams aasa aasc aase aasm aass aasu aaus abaa abab abac abae abak abam abas abau abb- abba abbb abbe abbs abca abcb abcc abcs abec abee abes abma abmb abmc abms abs- absa abse abss absu abua abue abuk abum abus acaa acab acac acae acas acba acca accc acce accm accs accu ace- acea acec acek acem aces acke acks acma acmc acme acms acmu acsa acsc acse acsm acss acu- acue acum acus aeac aeas aebs aecb aeka aesc aess akaa akae akam akas akca akee akes akeu akka akku aksa aksu akua amaa amac amae amam amas amb- amba ambe ambs ambu amca amcc amcs amec amee ames ameu amka amm- amma amme ammu amsa amsc amss amua amum asaa asab asac asae asak asam asas asau asba asbm asbu asc- asca ascb ascc asce asea asec asee asek asem ases aska aske asks asma asme asmm asms assa assc asse assk asss assu asub asue asum asus auaa aube auca auce auke auks auma ausa ause ausm ausu baaa baak baam baas baba babb babe babm babs babu bac- baca bacc bace back bacs baek baes bak- baka bake baks baku bama bamb bamc bame bamm bams bamu basa basc base bask bass basu bau- bauk baum bbas bbau bbbb bbbs bbcm bbeb bcaa bcam bcas bcbc bcbs bcca bccc bccm bccs bcec bces bcma bcms bcsa bcsc bcsm bcss bcuc beak beam beas beau beba bebb bebe beca beck becs becu beeb beek beem bees beka beke beks bema beme bemu bes- besa bese besk besm bess beuk bmaa bmce bmus bsaa bsac bsam bsas bscs bsea bseb bsec bsee bses bsms bssc bsse bssm buba bubb bube bubs bubu buca bucc buce buck bucs bucu buea buem bueu buka buke bukk buku bum- buma bumb bums busa busc buse busk buss busu buus caaa caab caac caam caas caba cabe cabs cabu cac- caca cacc cace cack cacm caec caem caes caeu caka cake cama camb camc came camk camm cams casa casb casc case cask casm cass casu cauc cauk caum caus cbac cbbc cbbs cbca cbcc cbce cbcm cbcs cbcu cbea cbec cbee cbka cbkm cbme cbms cbsa cbsc cbse cbsm cbus ccaa ccab ccac ccam ccas ccba ccbc ccca cccb cccc cccm cccs cccu ccee cckm ccma ccmb ccmc ccmm ccms ccsa ccss ccuc ccus ceac ceas ceba cebs cebu cec- ceca cece cecm cecs ceeb ceec ceem cees ceke cema cemb ceme cemm cems cemu cesa cesc cese cess ckac ckbc ckbe ckck ckcm ckcs ckem cksa cksb cmaa cmac cmas cmba cmbc cmbs cmcc cmcs cmea cmec cmes cmmb cmmc cmms cmsa cmsc cmse cmus csaa csab csac csak csas csbm cscb cscc