-er -ey c-- ccc cce ccm ccn cco ccr ce- cec cee cem cen ceo cer cey cmc cme cmm cmn cmo cmr cmy cn- cnc cne cnm cnn cno cnr cny co- coc coe com con coo cor coy crc cre crm crn cro crr cry cyc cye cym cyn cyo cyr ec- ecc ece ecm ecn eco ecr eec eee eem een eeo eer eey em- emc eme emm emn emo emr en- enc ene enm enn eno enr eny eo- eoc eoe eom eon eoo eor erc ere erm ern ero err ery eyc eye eym eyn eyo eyr m-o m-r mc- mcc mce mcm mcn mco mcr mec mee mem men meo mer mey mmc mme mmm mmn mmo mmr mnc mne mnm mnn mno mnr moc moe mom mon moo mor moy mrc mre mrm mrn mro mrr mry my- myc mye mym myn myo myr ncc nce ncm ncn nco ncr ne- nec nee nem nen neo ner ney nmc nme nmm nmn nmo nmr nnc nne nnm nnn nno no- noc noe nom non noo nor noy nrc nre nrm nrn nro nrr nry nyc nye nym nyn nyo nyy oc- occ ocm ocn oco ocr oec oee oem oen oeo oer oey om- omc ome omm omn omo omr omy on- onc one onn ono onr ony oo- ooc oom oon ooo oor or- orc ore orm orn oro orr ory oye oyo rcc rce rcm rcn rco rcr re- rec ree rem ren reo rer rey rmc rme rmm rmn rmo rmr rnc rnm rnn rno rnr rny roc roe rom ron roo ror roy rrc rrm rrn rrr ry- ryc rye rym ryn ryo ryr ryy ycc yce yco ycy yec yee yem yen yeo yer yey ymc yme ymm ymo yne ynn yny yoc yoe yom yon yoo yor yoy yrc yre yrn yro yyc yye yyy