-er -ey -ic c-- ccc cce cci cco ccr ccs ccv ce- cec cee cei ceo cer ces cev cey ci- cic cie cii cio cir cis civ co- coc coe coi coo cor cos cov coy crc cre cri cro crr crs crv cry csc cse csi cso csr css csv csy cvc cve cvi cvo cvr cvs cvv cyc cye cyo cyr cys ec- ecc ece eci eco ecr ecs ecv eec eee eeo eer ees eev eey eic eie eii eio eir eis eiv eo- eoc eoe eoi eoo eor eos erc ere eri ero err ers erv ery es- esc ese esi eso esr ess esv esy evc eve evi evo evr evs evv evy eyc eye eyo eyr eys i-v icc ice ici ico icr ics icv icy ie- iec iee iei ier ies iev iey iic iie iii iio iir iis io- ioc ioe ioi ioo ior ios iov ir- irc ire iri iro irr irs irv iry is- isc ise isi iso isr iss isv isy ivc ive ivi ivo ivr ivs ivv ivy iyc iye iyo iyr iys iyy o-i oc- occ oci oco ocr ocs ocv oec oee oei oeo oer oes oey oic oie oii oio oir ois oiv oo- ooc ooi ooo oor oos oov or- orc ore ori oro orr ors orv ory os- osc ose osi oso osr oss osv ov- ovc ove ovi ovo ovs ovv oye oyi oyo oys rcc rce rci rco rcr rcs rcv re- rec ree rei reo rer res rev rey ric rie rii rio rir ris riv riy roc roe roi roo ror ros rov roy rrc rri rrr rrs rsc rse rsi rso rsr rss rsv rvc rve rvi rvo rvr rvs rvv rvy ry- ryc rye ryo ryr rys ryy scc sce sci sco scr scs scv se- sec see sei seo ser ses sev sey sic sie sii sio sir sis siv soc soe soi soo sor sos sov soy sr- src sre sri sro srr srs srv sry ss- ssc sse ssi sso ssr sss ssv svc sve svi svo svr svs svv svy sy- syc sye syi syr sys v-e vcc vce vci vco vcr vcs vcy vec vee vei veo ver ves vey vi- vic vie vii vio vir vis viv viy voc voe voi voo vor vos vov voy vrc vre vri vrr vrs vry vsc vse vsi vso vsr vss vsv vvc vvi vvo vvr vvs vvv vye ycc yce yci yco ycs ycv ycy yec yee yei yeo yer yes yev yey yie yii yio yir yis yoc yoe yoi yoo yor yos yoy yrc yre yro yrs ysc yse ysi yso ysr yss ysy yve yvi yvo yvr yvy yyc yye yys yyy