-ey -ic c-- ccc cce cci cck cco ccs ccv ce- cec cee cei cek ceo ces cev cey ci- cic cie cii cik cio cis civ ckc cki cko cks cky co- coc coe coi cok coo cos cov coy csc cse csi csk cso css csv csy cvc cve cvi cvk cvo cvs cvv cyc cye cyk cyo cys ec- ecc ece eci eck eco ecs ecv eec eee eek eeo ees eev eey eic eie eii eik eio eis eiv ekc eke eki eko eks ekv eky eo- eoc eoe eoi eok eoo eos es- esc ese esi esk eso ess esv esy evc eve evi evo evs evv evy eyc eye eyo eys i-v icc ice ici ick ico ics icv icy ie- iec iee iei iek ies iev iey iic iie iii iio iis ikc ike iki ikk iko iks ikv io- ioc ioe ioi ioo ios iov is- isc ise isi isk iso iss isv isy ivc ive ivi ivo ivs ivv ivy iyc iye iyo iys iyy kcc kce kci kck kcs ke- kec kee kei kek keo kes kev key kic kie kii kik kio kis kiv kkc kke kki kkk kks kkv kky koc koe koi kok koo kos koy ksc kse ksi ksk kso kss ksv kvi kvk kvo kvs kvv kyc kye kyo kys o-i oc- occ oci ock oco ocs ocv oec oee oei oeo oes oey oic oie oii oik oio ois oiv okc oke oki okk oko oks oo- ooc ooi ook ooo oos oov os- osc ose osi osk oso oss osv ov- ovc ove ovi ovo ovs ovv oye oyi oyo oys scc sce sci sck sco scs scv se- sec see sei sek seo ses sev sey sic sie sii sik sio sis siv sk- skc ske ski skk sko sks sky soc soe soi sok soo sos sov soy ss- ssc sse ssi ssk sso sss ssv svc sve svi svk svo svs svv svy sy- syc sye syi syk sys v-e vcc vce vci vco vcs vcy vec vee vei vek veo ves vey vi- vic vie vii vik vio vis viv viy voc voe voi vok voo vos vov voy vsc vse vsi vsk vso vss vsv vvc vvi vvo vvs vvv vye ycc yce yci yco ycs ycv ycy yec yee yei yek yeo yes yev yey yie yii yio yis yki ykk yoc yoe yoi yok yoo yos yoy ysc yse ysi ysk yso yss ysy yve yvi yvo yvy yyc yye yys yyy