-er -ey -ic c-- ccc cce cci ccr ccs ccv ce- cec cee cei cer ces cev cey ci- cic cie cii cir cis civ crc cre cri crr crs crv cry csc cse csi csr css csv csy cvc cve cvi cvr cvs cvv cyc cye cyr cys ec- ecc ece eci ecr ecs ecv eec eee eer ees eev eey eic eie eii eir eis eiv erc ere eri err ers erv ery es- esc ese esi esr ess esv esy evc eve evi evr evs evv evy eyc eye eyr eys i-v icc ice ici icr ics icv icy ie- iec iee iei ier ies iev iey iic iie iii iir iis ir- irc ire iri irr irs irv iry is- isc ise isi isr iss isv isy ivc ive ivi ivr ivs ivv ivy iyc iye iyr iys iyy rcc rce rci rcr rcs rcv re- rec ree rei rer res rev rey ric rie rii rir ris riv riy rrc rri rrr rrs rsc rse rsi rsr rss rsv rvc rve rvi rvr rvs rvv rvy ry- ryc rye ryr rys ryy scc sce sci scr scs scv se- sec see sei ser ses sev sey sic sie sii sir sis siv sr- src sre sri srr srs srv sry ss- ssc sse ssi ssr sss ssv svc sve svi svr svs svv svy sy- syc sye syi syr sys v-e vcc vce vci vcr vcs vcy vec vee vei ver ves vey vi- vic vie vii vir vis viv viy vrc vre vri vrr vrs vry vsc vse vsi vsr vss vsv vvc vvi vvr vvs vvv vye ycc yce yci ycs ycv ycy yec yee yei yer yes yev yey yie yii yir yis yrc yre yrs ysc yse ysi ysr yss ysy yve yvi yvr yvy yyc yye yys yyy