-er -ey -ic c-- ccc cce cci ccm ccr ce- cec cee cei cem cer cey ci- cic cie cii cim cir cmc cme cmi cmm cmr cmy crc cre cri crm crr cry cyc cye cym cyr ec- ecc ece eci ecm ecr eec eee eem eer eey eic eie eii eim eir em- emc eme emi emm emr erc ere eri erm err ery eyc eye eym eyr icc ice ici icm icr icy ie- iec iee iei iem ier iey iic iie iii iim iir im- imc ime imi imm imy ir- irc ire iri irm irr iry iyc iye iym iyr iyy m-r mc- mcc mce mci mcm mcr mec mee mei mem mer mey mi- mic mie mii mim mir miy mmc mme mmi mmm mmr mrc mre mri mrm mrr mry my- myc mye mym myr rcc rce rci rcm rcr re- rec ree rei rem rer rey ric rie rii rim rir riy rmc rme rmi rmm rmr rrc rri rrm rrr ry- ryc rye rym ryr ryy ycc yce yci ycy yec yee yei yem yer yey yie yii yim yir ymc yme ymi ymm yrc yre yyc yye yyy