-er -ey -ic c-- ccc cce cci ccr ccv ce- cec cee cei cer cev cey ci- cic cie cii cir civ crc cre cri crr crv cry cvc cve cvi cvr cvv cyc cye cyr ec- ecc ece eci ecr ecv eec eee eer eev eey eic eie eii eir eiv erc ere eri err erv ery evc eve evi evr evv evy eyc eye eyr i-v icc ice ici icr icv icy ie- iec iee iei ier iev iey iic iie iii iir ir- irc ire iri irr irv iry ivc ive ivi ivr ivv ivy iyc iye iyr iyy rcc rce rci rcr rcv re- rec ree rei rer rev rey ric rie rii rir riv riy rrc rri rrr rvc rve rvi rvr rvv rvy ry- ryc rye ryr ryy v-e vcc vce vci vcr vcy vec vee vei ver vey vi- vic vie vii vir viv viy vrc vre vri vrr vry vvc vvi vvr vvv vye ycc yce yci ycv ycy yec yee yei yer yev yey yie yii yir yrc yre yve yvi yvr yvy yyc yye yyy