-er -ey -ic c-- ccc cce cch cci cck cco ccr ccs ccv ce- cec cee ceh cei cek ceo cer ces cev cey ch- chc che chh chi chk cho chr chs chv chy ci- cic cie cih cii cik cio cir cis civ ckc ckh cki cko cks cky co- coc coe coh coi cok coo cor cos cov coy crc cre crh cri crk cro crr crs crv cry csc cse csh csi csk cso csr css csv csy cvc cve cvh cvi cvk cvo cvr cvs cvv cyc cye cyk cyo cyr cys ec- ecc ece ech eci eck eco ecr ecs ecv eec eee eek eeo eer ees eev eey ehc ehe ehh ehi eho ehr ehs ehv eic eie eii eik eio eir eis eiv ekc eke ekh eki eko ekr eks ekv eky eo- eoc eoe eoh eoi eok eoo eor eos erc ere erh eri erk ero err ers erv ery es- esc ese esh esi esk eso esr ess esv esy evc eve evh evi evo evr evs evv evy eyc eye eyo eyr eys h-i hcc hce hch hci hck hco hcr hcs hcv hcy he- hec hee heh hei hek heo her hes hev hey hhc hhe hhh hhi hhk hho hhr hhs hhv hhy hic hie hih hii hik hio hir his hiv hkh hki hkk hko hkr hks hoc hoe hoh hoi hok hoo hor hos hov hoy hr- hrc hre hrh hri hrk hro hrr hrs hrv hsc hse hsh hsi hsk hsr hss hsv hsy hv- hvc hvk hvo hvr hvs hvv hvy hy- hyc hye hyh hyi hyo hyr hys hyv hyy i-v icc ice ich ici ick ico icr ics icv icy ie- iec iee iei iek ier ies iev iey ihc ihe ihh ihi ihk iho ihr ihs ihv ihy iic iie iih iii iio iir iis ikc ike iki ikk iko ikr iks ikv io- ioc ioe ioh ioi ioo ior ios iov ir- irc ire iri irk iro irr irs irv iry is- isc ise ish isi isk iso isr iss isv isy ivc ive ivi ivo ivr ivs ivv ivy iyc iye iyo iyr iys iyy kcc kce kch kci kck kcr kcs ke- kec kee keh kei kek keo ker kes kev key khe khh khi khk kho khr khs khv kic kie kih kii kik kio kir kis kiv kkc kke kkh kki kkk kkr kks kkv kky koc koe koh koi kok koo kor kos koy krc kri krk kro krr krs krv kry ksc kse ksh ksi ksk kso ksr kss ksv kvh kvi kvk kvo kvr kvs kvv kyc kye kyo kyr kys o-i oc- occ och oci ock oco ocr ocs ocv oec oee oeh oei oeo oer oes oey ohc ohe ohh ohi oho ohr ohs oic oie oii oik oio oir ois oiv okc oke oki okk oko okr oks oo- ooc ooh ooi ook ooo oor oos oov or- orc ore orh ori ork oro orr ors orv ory os- osc ose osh osi osk oso osr oss osv ov- ovc ove ovh ovi ovo ovs ovv oye oyi oyo oys rcc rce rch rci rco rcr rcs rcv re- rec ree reh rei rek reo rer res rev rey rh- rhc rhe rhh rhi rho rhr rhs rhv ric rie rih rii rik rio rir ris riv riy rkc rke rkk rko rks rkv rky roc roe roh roi rok roo ror ros rov roy rrc rrh rri rrk rrr rrs rsc rse rsh rsi rsk rso rsr rss rsv rvc rve rvh rvi rvo rvr rvs rvv rvy ry- ryc rye ryk ryo ryr rys ryy scc sce sch sci sck sco scr scs scv se- sec see seh sei sek seo ser ses sev sey sh- shc she shh shi shk sho shr shs shv shy sic sie sih sii sik sio sir sis siv sk- skc ske skh ski skk sko skr sks sky soc soe soh soi sok soo sor sos sov soy sr- src sre srh sri srk sro srr srs srv sry ss- ssc sse ssh ssi ssk sso ssr sss ssv svc sve svi svk svo svr svs svv svy sy- syc sye syh syi syk syr sys v-e vcc vce vch vci vco vcr vcs vcy vec vee veh vei vek veo ver ves vey vh- vhc vhe vhi vho vhs vi- vic vie vii vik vio vir vis viv viy voc voe voh voi vok voo vor vos vov voy vrc vre vrh vri vrk vrr vrs vry vsc vse vsh vsi vsk vso vsr vss vsv vvc vvi vvo vvr vvs vvv vye ycc yce ych yci yco ycs ycv ycy yec yee yeh yei yek yeo yer yes yev yey yhc yhe yhi yhs yie yih yii yio yir yis yki ykk yoc yoe yoi yok yoo yor yos yoy yrc yre yro yrs ysc yse ysi ysk yso ysr yss ysy yve yvi yvo yvr yvy yyc yye yys yyy