-er -ey b-u bbb bbc bbe bbm bbn bbr bbu bby bcb bcc bce bcm bcn bcr bcu bcy be- beb bec bee bem ben ber beu bey bmb bmc bme bmm bmn bmr bmu bnb bnc bne bnn bnr bnu brb bre brm brn brr bru bry bub buc bue bum bun bur buu buy by- byc bye bym byn byr byu c-- cbb cbc cbe cbm cbn cbr cbu cby ccb ccc cce ccm ccn ccr ccu ce- ceb cec cee cem cen cer ceu cey cmb cmc cme cmm cmn cmr cmu cmy cn- cnb cnc cne cnm cnn cnr cnu cny crb crc cre crm crn crr cru cry cub cuc cue cum cun cur cuu cuy cyb cyc cye cym cyn cyr ebb ebc ebe ebm ebn ebr ebu eby ec- ecb ecc ece ecm ecn ecr ecu eeb eec eee eem een eer eey em- emb emc eme emm emn emr emu en- enb enc ene enm enn enr enu eny erb erc ere erm ern err eru ery eu- eub euc eue eun eur eyc eye eym eyn eyr m-r mbb mbc mbe mbm mbr mbu mc- mcb mcc mce mcm mcn mcr mcu meb mec mee mem men mer meu mey mmb mmc mme mmm mmn mmr mmu mnb mnc mne mnm mnn mnr mnu mrb mrc mre mrm mrn mrr mru mry mub muc mue mum mun mur muu muy my- myb myc mye mym myn myr myu nbb nbc nbe nbm nbn nbr nbu ncb ncc nce ncm ncn ncr ncu ne- neb nec nee nem nen ner neu ney nmb nmc nme nmm nmn nmr nmu nnb nnc nne nnm nnn nnu nrb nrc nre nrm nrn nrr nru nry nub nuc nue num nun nur nuu nuy nyc nye nym nyn nyu nyy rbb rbc rbe rbm rbn rbr rbu rcb rcc rce rcm rcn rcr rcu re- reb rec ree rem ren rer reu rey rmb rmc rme rmm rmn rmr rnb rnc rnm rnn rnr rnu rny rrb rrc rrm rrn rrr rru rub ruc rue rum run rur ruu ruy ry- ryc rye rym ryn ryr ryu ryy ubb ubc ube ubn ubr ubu uby ucb ucc uce ucm ucn ucr ucu ueb uec uee uem uen uer uey um- umb umc ume umm umn umr umu un- unb unc une unm unn unr unu uny ur- urb urc ure urm urn urr uru ury uuc uue uum uun uur uuu uyc uyu ybc ybe ybm ybr yby ycc yce ycu ycy yeb yec yee yem yen yer yey ymc yme ymm yne ynn ynu yny yrc yre yrn yru yue yum yun yur yuu yuy yyb yyc yye yyu yyy