-er -ey c-- ccc cce ccm ccn ccr ce- cec cee cem cen cer cey cmc cme cmm cmn cmr cmy cn- cnc cne cnm cnn cnr cny crc cre crm crn crr cry cyc cye cym cyn cyr ec- ecc ece ecm ecn ecr eec eee eem een eer eey em- emc eme emm emn emr en- enc ene enm enn enr eny erc ere erm ern err ery eyc eye eym eyn eyr m-r mc- mcc mce mcm mcn mcr mec mee mem men mer mey mmc mme mmm mmn mmr mnc mne mnm mnn mnr mrc mre mrm mrn mrr mry my- myc mye mym myn myr ncc nce ncm ncn ncr ne- nec nee nem nen ner ney nmc nme nmm nmn nmr nnc nne nnm nnn nrc nre nrm nrn nrr nry nyc nye nym nyn nyy rcc rce rcm rcn rcr re- rec ree rem ren rer rey rmc rme rmm rmn rmr rnc rnm rnn rnr rny rrc rrm rrn rrr ry- ryc rye rym ryn ryr ryy ycc yce ycy yec yee yem yen yer yey ymc yme ymm yne ynn yny yrc yre yrn yyc yye yyy