-er -ey bbb bbc bbe bbk bbm bbr bby bcb bcc bce bck bcm bcr bcy be- beb bec bee bek bem ber bey bkb bkc bke bkk bkm bkr bmb bmc bme bmk bmm bmr brb bre brk brm brr bry by- byc bye byk bym byr c-- cbb cbc cbe cbk cbm cbr cby ccb ccc cce cck ccm ccr ce- ceb cec cee cek cem cer cey ckb ckc ckm cky cmb cmc cme cmk cmm cmr cmy crb crc cre crk crm crr cry cyb cyc cye cyk cym cyr ebb ebc ebe ebk ebm ebr eby ec- ecb ecc ece eck ecm ecr eeb eec eee eek eem eer eey ekb ekc eke ekr eky em- emb emc eme emk emm emr erb erc ere erk erm err ery eyc eye eym eyr kbb kbc kbe kbk kbm kbr kcb kcc kce kck kcm kcr ke- keb kec kee kek kem ker key kkb kkc kke kkk kkm kkr kky kmb kmc kme kmk kmm krc krk krr kry kyc kye kym kyr m-r mbb mbc mbe mbk mbm mbr mc- mcb mcc mce mck mcm mcr meb mec mee mek mem mer mey mkb mkc mke mkk mkm mkr mky mmb mmc mme mmk mmm mmr mrb mrc mre mrk mrm mrr mry my- myb myc mye myk mym myr rbb rbc rbe rbk rbm rbr rcb rcc rce rcm rcr re- reb rec ree rek rem rer rey rkb rkc rke rkk rkm rky rmb rmc rme rmm rmr rrb rrc rrk rrm rrr ry- ryc rye ryk rym ryr ryy ybc ybe ybm ybr yby ycc yce ycy yeb yec yee yek yem yer yey ykk ykm ymc yme ymm yrc yre yyb yyc yye yyy