-er a-a a-b a-c aaa aab aac aae aam aar aas aau ab- aba abb abc abe abm abr abs abu ac- aca acb acc ace acm acr acs acu aea aeb aec aee aem aer aes aeu ama amb amc ame amm amr ams amu ar- ara arb arc are arm arr ars aru as- asa asb asc ase asm asr ass asu au- aua aub auc aue aum aur aus b-u baa bab bac bae bam bar bas bau bba bbb bbc bbe bbm bbr bbs bbu bca bcb bcc bce bcm bcr bcs bcu be- bea beb bec bee bem ber bes beu bma bmb bmc bme bmm bmr bms bmu bra brb bre brm brr brs bru bsa bsb bsc bse bsm bsr bss bsu bua bub buc bue bum bur bus buu c-- caa cab cac cae cam car cas cau cba cbb cbc cbe cbm cbr cbs cbu cca ccb ccc cce ccm ccr ccs ccu ce- cea ceb cec cee cem cer ces ceu cma cmb cmc cme cmm cmr cms cmu cra crb crc cre crm crr crs cru csa csb csc cse csm csr css csu cua cub cuc cue cum cur cus cuu eaa eab eac eae eam ear eas eau eba ebb ebc ebe ebm ebr ebs ebu ec- eca ecb ecc ece ecm ecr ecs ecu eea eeb eec eee eem eer ees em- ema emb emc eme emm emr ems emu era erb erc ere erm err ers eru es- esa esb esc ese esm esr ess esu eu- eua eub euc eue eur eus m-r maa mab mac mae mam mar mas mau mba mbb mbc mbe mbm mbr mbs mbu mc- mca mcb mcc mce mcm mcr mcs mcu mea meb mec mee mem mer mes meu mma mmb mmc mme mmm mmr mms mmu mra mrb mrc mre mrm mrr mrs mru msa msb msc mse msm msr mss msu mua mub muc mue mum mur mus muu ra- raa rab rac rae ram rar ras rau rba rbb rbc rbe rbm rbr rbs rbu rca rcb rcc rce rcm rcr rcs rcu re- rea reb rec ree rem rer res reu rma rmb rmc rme rmm rmr rms rra rrb rrc rrm rrr rrs rru rsa rsb rsc rse rsm rsr rss rsu rua rub ruc rue rum rur rus ruu saa sab sac sae sam sar sas sau sba sbb sbc sbe sbm sbr sbs sbu sca scb scc sce scm scr scs scu se- sea seb sec see sem ser ses seu sma smb smc sme smm smr sms smu sr- sra srb src sre srm srr srs ss- ssa ssb ssc sse ssm ssr sss ssu sua sub suc sue sum sur sus suu ua- uaa uab uac uae uam uar uas uau uba ubb ubc ube ubr ubs ubu uca ucb ucc uce ucm ucr ucs ucu uea ueb uec uee uem uer ues um- uma umb umc ume umm umr ums umu ur- ura urb urc ure urm urr urs uru usa usb usc use usm usr uss usu uua uuc uue uum uur uus uuu

-ase a-be aaaa aaab aaac aaae aaam aaar aaas aaba aabb aabc aabm aaca aacb aacc aace aacm aacr aacs aacu aaea aaec aaem aaes aama aamb aamc aame aamr aams aara aarc aare aarm aars aaru aasa aasc aase aasm aass aasu aaus abaa abab abac abae abam abar abas abau abb- abba abbb abbe abbr abbs abca abcb abcc abcr abcs abec abee aber abes abma abmb abmc abms abra abrc abrs abs- absa abse abss absu abua abue abum abus acaa acab acac acae acar acas acba acca accc acce accm accs accu ace- acea acec acem acer aces acma acmc acme acms acmu acr- acra acrc acre acrm acrr acrs acsa acsc acse acsm acss acu- acue acum acur acus aeac aeas aebs aecb aeer aer- aera aerc aers aesc aess amaa amac amae amam amar amas amb- amba ambe ambr ambs ambu amca amcc amcs amec amee amer ames ameu amm- amma amme ammu amra amrc amsa amsc amss amua amum amur arab arac arae aram arar aras arau arba arbe arbs arc- arca arce arcm arcs area arec aree arem ares areu arma armc arme armm arms armu arr- arra arrc arre arrr arrs arru ars- arsa arsc arse arsu arua arub arue arum asaa asab asac asae asam asar asas asau asba asbm asbu asc- asca ascb ascc asce ascr asea asec asee asem aser ases asma asme asmm asmr asms asra asrc asrm asrs asru assa assc asse assr asss assu asub asue asum asur asus auaa aube auca auce auer auma aur- aura aure ausa ause ausm ausu baaa baam baar baas baba babb babe babm babr babs babu bac- baca bacc bace bacs baer baes bama bamb bamc bame bamm bams bamu bar- bara barb barc bare barm barr bars baru basa basc base bass basu bau- baum baur bbas bbau bbbb bbbs bbcm bbeb bbrc bcaa bcam bcar bcas bcbc bcbs bcca bccc bccm bccs bcec bcer bces bcma bcms bcra bcrs bcru bcsa bcsc bcsm bcss bcuc beam bear beas beau beba bebb bebe beca becs becu beeb beem beer bees bema beme bemu bera berc bere berm berr bers beru bes- besa bese besm bess beur bmaa bmce bmus brab brac brae bram bras brau brca brcb brce brea breb brec bree brem brer bres brmc brrm brrr brrs brsb brsr bruc brue brum brus bsaa bsac bsam bsas bscs bsea bseb bsec bsee bser bses bsms bsra bsrm bssc bsse bssm buar buba bubb bube bubs bubu buca bucc buce bucs bucu buea buem buer bueu bum- buma bumb bums bur- bura burb bure burm burr burs buru busa busc buse buss busu buus caaa caab caac caam caas caba cabe cabs cabu cac- caca cacc cace cacm cacr caec caem caer caes caeu cama camb camc came