-er a-a a-b a-c aaa aab aac aad aae aam aar aas aau ab- aba abb abc abd abe abm abr abs abu ac- aca acb acc acd ace acm acr acs acu ad- ada adb adc add ade adm adr ads adu aea aeb aec aed aee aem aer aes aeu ama amb amc amd ame amm amr ams amu ar- ara arb arc ard are arm arr ars aru as- asa asb asc asd ase asm asr ass asu au- aua aub auc aud aue aum aur aus b-u baa bab bac bad bae bam bar bas bau bba bbb bbc bbd bbe bbm bbr bbs bbu bca bcb bcc bcd bce bcm bcr bcs bcu bda bdb bdc bdd bde bdm bdr bds bdu be- bea beb bec bed bee bem ber bes beu bma bmb bmc bmd bme bmm bmr bms bmu bra brb brd bre brm brr brs bru bsa bsb bsc bsd bse bsm bsr bss bsu bua bub buc bud bue bum bur bus buu c-- caa cab cac cad cae cam car cas cau cba cbb cbc cbd cbe cbm cbr cbs cbu cca ccb ccc ccd cce ccm ccr ccs ccu cda cdb cdc cdd cde cdm cdr cds cdu ce- cea ceb cec ced cee cem cer ces ceu cma cmb cmc cmd cme cmm cmr cms cmu cra crb crc crd cre crm crr crs cru csa csb csc csd cse csm csr css csu cua cub cuc cud cue cum cur cus cuu daa dab dac dad dae dam dar das dau dba dbb dbc dbd dbe dbm dbr dbs dbu dca dcb dcc dcd dce dcm dcr dcs dcu dda ddb ddc ddd dde ddm ddr dds ddu de- dea deb dec ded dee dem der des deu dma dmb dmc dmd dme dmm dmr dms dmu dra drb drc drd dre drm drr drs dru dsa dsb dsc dsd dse dsm dsr dss dsu dua dub duc dud due dum dur dus eaa eab eac ead eae eam ear eas eau eba ebb ebc ebd ebe ebm ebr ebs ebu ec- eca ecb ecc ecd ece ecm ecr ecs ecu ed- eda edb edc edd ede edm edr eds edu eea eeb eec eed eee eem eer ees em- ema emb emc emd eme emm emr ems emu era erb erc erd ere erm err ers eru es- esa esb esc esd ese esm esr ess esu eu- eua eub euc eud eue eur eus m-r maa mab mac mad mae mam mar mas mau mba mbb mbc mbd mbe mbm mbr mbs mbu mc- mca mcb mcc mcd mce mcm mcr mcs mcu mda mdb mdc mdd mde mdm mdr mds mdu mea meb mec med mee mem mer mes meu mma mmb mmc mmd mme mmm mmr mms mmu mra mrb mrc mrd mre mrm mrr mrs mru msa msb msc msd mse msm msr mss msu mua mub muc mud mue mum mur mus muu ra- raa rab rac rad rae ram rar ras rau rba rbb rbc rbd rbe rbm rbr rbs rbu rca rcb rcc rcd rce rcm rcr rcs rcu rda rdb rdc rdd rde rdm rdr rds rdu re- rea reb rec red ree rem rer res reu rma rmb rmc rmd rme rmm rmr rms rra rrb rrc rrd rrm rrr rrs rru rsa rsb rsc rsd rse rsm rsr rss rsu rua rub ruc rud rue rum rur rus ruu saa sab sac sad sae sam sar sas sau sba sbb sbc sbd sbe sbm sbr sbs sbu sca scb scc scd sce scm scr scs scu sda sdb sdc sdd sde sdm sdr sds sdu se- sea seb sec sed see sem ser ses seu sma smb smc smd sme smm smr sms smu sr- sra srb src srd sre srm srr srs ss- ssa ssb ssc ssd sse ssm ssr sss ssu sua sub suc sud sue sum sur sus suu ua- uaa uab uac uad uae uam uar uas uau uba ubb ubc ube ubr ubs ubu uca ucb ucc ucd uce ucm ucr ucs ucu uda udb udc udd ude udm udr uds udu uea ueb uec ued uee uem uer ues um- uma umb umc umd ume umm umr ums umu ur- ura urb urc urd ure urm urr urs uru usa usb usc usd use usm usr uss usu uua uuc uue uum uur uus uuu

-ase a-be aaaa aaab aaac aaad aaae aaam aaar aaas aaba aabb aabc aabd aabm aaca aacb aacc aacd aace aacm aacr aacs aacu aada aadc aade aads aadu aaea aaec aaem aaes aama aamb aamc aamd aame aamr aams aara aarc aard aare aarm aars aaru aasa aasc aasd aase aasm aass aasu aaus abaa abab abac abad abae abam abar abas abau abb- abba abbb abbe abbr abbs abca abcb abcc abcd abcr abcs abda abdu abec abed abee aber abes abma abmb abmc abms abra abrc abrs abs- absa absd abse abss absu abua abud abue abum abus acaa acab acac acad acae acar acas acba acca accc accd acce accm accs accu acda acdb acdc acde acdm acds ace- acea acec aced acem acer aces acma acmc acme acms acmu acr- acra acrc acre acrm acrr acrs acsa acsc acsd acse acsm acss acu- acue acum acur acus adaa adab adac adad adae adam adar adas adba adbc adcc adcs adda addc addd adde addr adds addu adea adeb adee adem ader ades adma admb adme admr adms adra adre adrs adsa adsm adsr adss adua adub adue adur aeac aeas aebs aecb aede aeer aer- aera aerc aerd aers aesc aesd aess amaa amac amad amae amam amar amas amb- amba ambe ambr ambs ambu amca amcc amcs amda amds amec amed amee amer ames ameu amm- amma amme ammu amra amrc amsa amsc amsd amss amua amud amum amur arab arac arad arae aram arar aras arau arba arbe