-er -ey -ic c-- ccc cce cci ccr ccz ce- cec cee cei cer cey cez ci- cic cie cii cir crc cre cri crr cry crz cyc cye cyr cz- czc cze ec- ecc ece eci ecr eec eee eer eey eic eie eii eir erc ere eri err ery erz eyc eye eyr eze ezr ezz icc ice ici icr icy icz ie- iec iee iei ier iey iic iie iii iir ir- irc ire iri irr iry iyc iye iyr iyy ize izi izy izz rcc rce rci rcr re- rec ree rei rer rey rez ric rie rii rir riy riz rrc rri rrr ry- ryc rye ryr ryy ryz rze rzy ycc yce yci ycy yec yee yei yer yey yez yie yii yir yiz yrc yre yyc yye yyy yyz yzr yzy zce zec zee zer zez zie zir ziz zzr zzy zzz