-er -ey c-- ccc cce ccr cct ce- cec cee cer cet cey crc cre crr crt cry ctc cte ctr ctt cty cyc cye cyr cyt ec- ecc ece ecr ect eec eee eer eet eey erc ere err ert ery etc ete etr ett ety eyc eye eyr eyt rcc rce rcr rct re- rec ree rer ret rey rrc rrr rrt rtc rte rtr rtt rty ry- ryc rye ryr ryy tcc tce tcr tct te- tec tee ter tet tey trc tre trr trt try ttc tte ttr ttt tty tyc tye tyr tyt ycc yce ycy yec yee yer yet yey yrc yre yrt ytc yte ytr ytt yyc yye yyt yyy