-er -ey -ic c-- ccc cce cci cck ccr ccv ce- cec cee cei cek cer cev cey ci- cic cie cii cik cir civ ckc cki cky crc cre cri crk crr crv cry cvc cve cvi cvk cvr cvv cyc cye cyk cyr ec- ecc ece eci eck ecr ecv eec eee eek eer eev eey eic eie eii eik eir eiv ekc eke eki ekr ekv eky erc ere eri erk err erv ery evc eve evi evr evv evy eyc eye eyr i-v icc ice ici ick icr icv icy ie- iec iee iei iek ier iev iey iic iie iii iir ikc ike iki ikk ikr ikv ir- irc ire iri irk irr irv iry ivc ive ivi ivr ivv ivy iyc iye iyr iyy kcc kce kci kck kcr ke- kec kee kei kek ker kev key kic kie kii kik kir kiv kkc kke kki kkk kkr kkv kky krc kri krk krr krv kry kvi kvk kvr kvv kyc kye kyr rcc rce rci rcr rcv re- rec ree rei rek rer rev rey ric rie rii rik rir riv riy rkc rke rkk rkv rky rrc rri rrk rrr rvc rve rvi rvr rvv rvy ry- ryc rye ryk ryr ryy v-e vcc vce vci vcr vcy vec vee vei vek ver vey vi- vic vie vii vik vir viv viy vrc vre vri vrk vrr vry vvc vvi vvr vvv vye ycc yce yci ycv ycy yec yee yei yek yer yev yey yie yii yir yki ykk yrc yre yve yvi yvr yvy yyc yye yyy