-er -ey c-- ccc cce ccr ccv ce- cec cee cer cev cey crc cre crr crv cry cvc cve cvr cvv cyc cye cyr ec- ecc ece ecr ecv eec eee eer eev eey erc ere err erv ery evc eve evr evv evy eyc eye eyr rcc rce rcr rcv re- rec ree rer rev rey rrc rrr rvc rve rvr rvv rvy ry- ryc rye ryr ryy v-e vcc vce vcr vcy vec vee ver vey vrc vre vrr vry vvc vvr vvv vye ycc yce ycv ycy yec yee yer yev yey yrc yre yve yvr yvy yyc yye yyy