-er -ey -ic c-- ccc cce cci cck ccr ccs ccv ce- cec cee cei cek cer ces cev cey ci- cic cie cii cik cir cis civ ckc cki cks cky crc cre cri crk crr crs crv cry csc cse csi csk csr css csv csy cvc cve cvi cvk cvr cvs cvv cyc cye cyk cyr cys ec- ecc ece eci eck ecr ecs ecv eec eee eek eer ees eev eey eic eie eii eik eir eis eiv ekc eke eki ekr eks ekv eky erc ere eri erk err ers erv ery es- esc ese esi esk esr ess esv esy evc eve evi evr evs evv evy eyc eye eyr eys i-v icc ice ici ick icr ics icv icy ie- iec iee iei iek ier ies iev iey iic iie iii iir iis ikc ike iki ikk ikr iks ikv ir- irc ire iri irk irr irs irv iry is- isc ise isi isk isr iss isv isy ivc ive ivi ivr ivs ivv ivy iyc iye iyr iys iyy kcc kce kci kck kcr kcs ke- kec kee kei kek ker kes kev key kic kie kii kik kir kis kiv kkc kke kki kkk kkr kks kkv kky krc kri krk krr krs krv kry ksc kse ksi ksk ksr kss ksv kvi kvk kvr kvs kvv kyc kye kyr kys rcc rce rci rcr rcs rcv re- rec ree rei rek rer res rev rey ric rie rii rik rir ris riv riy rkc rke rkk rks rkv rky rrc rri rrk rrr rrs rsc rse rsi rsk rsr rss rsv rvc rve rvi rvr rvs rvv rvy ry- ryc rye ryk ryr rys ryy scc sce sci sck scr scs scv se- sec see sei sek ser ses sev sey sic sie sii sik sir sis siv sk- skc ske ski skk skr sks sky sr- src sre sri srk srr srs srv sry ss- ssc sse ssi ssk ssr sss ssv svc sve svi svk svr svs svv svy sy- syc sye syi syk syr sys v-e vcc vce vci vcr vcs vcy vec vee vei vek ver ves vey vi- vic vie vii vik vir vis viv viy vrc vre vri vrk vrr vrs vry vsc vse vsi vsk vsr vss vsv vvc vvi vvr vvs vvv vye ycc yce yci ycs ycv ycy yec yee yei yek yer yes yev yey yie yii yir yis yki ykk yrc yre yrs ysc yse ysi ysk ysr yss ysy yve yvi yvr yvy yyc yye yys yyy