-er -ey -ic c-- ccc cce cch cci cco ccr ccs ccv ce- cec cee ceh cei ceo cer ces cev cey ch- chc che chh chi cho chr chs chv chy ci- cic cie cih cii cio cir cis civ co- coc coe coh coi coo cor cos cov coy crc cre crh cri cro crr crs crv cry csc cse csh csi cso csr css csv csy cvc cve cvh cvi cvo cvr cvs cvv cyc cye cyo cyr cys ec- ecc ece ech eci eco ecr ecs ecv eec eee eeo eer ees eev eey ehc ehe ehh ehi eho ehr ehs ehv eic eie eii eio eir eis eiv eo- eoc eoe eoh eoi eoo eor eos erc ere erh eri ero err ers erv ery es- esc ese esh esi 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 hco hcr hcs hcv hcy he- hec hee heh hei heo her hes hev hey hhc hhe hhh hhi hho hhr hhs hhv hhy hic hie hih hii hio hir his hiv hoc hoe hoh hoi hoo hor hos hov hoy hr- hrc hre hrh hri hro hrr hrs hrv hsc hse hsh hsi hsr hss hsv hsy hv- hvc hvo hvr hvs hvv hvy hy- hyc hye hyh hyi hyo hyr hys hyv hyy i-v icc ice ich ici ico icr ics icv icy ie- iec iee iei ier ies iev iey ihc ihe ihh ihi iho ihr ihs ihv ihy iic iie iih iii iio iir iis io- ioc ioe ioh ioi ioo ior ios iov ir- irc ire iri iro irr irs irv iry is- isc ise ish isi iso isr iss isv isy ivc ive ivi ivo ivr ivs ivv ivy iyc iye iyo iyr iys iyy o-i oc- occ och oci oco ocr ocs ocv oec oee oeh oei oeo oer oes oey ohc ohe ohh ohi oho ohr ohs oic oie oii oio oir ois oiv oo- ooc ooh ooi ooo oor oos oov or- orc ore orh ori oro orr ors orv ory os- osc ose osh osi 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 reo rer res rev rey rh- rhc rhe rhh rhi rho rhr rhs rhv ric rie rih rii rio rir ris riv riy roc roe roh roi roo ror ros rov roy rrc rrh rri rrr rrs rsc rse rsh rsi rso rsr rss rsv rvc rve rvh rvi rvo rvr rvs rvv rvy ry- ryc rye ryo ryr rys ryy scc sce sch sci sco scr scs scv se- sec see seh sei seo ser ses sev sey sh- shc she shh shi sho shr shs shv shy sic sie sih sii sio sir sis siv soc soe soh soi soo sor sos sov soy sr- src sre srh sri sro srr srs srv sry ss- ssc sse ssh ssi sso ssr sss ssv svc sve svi svo svr svs svv svy sy- syc sye syh syi syr sys v-e vcc vce vch vci vco vcr vcs vcy vec vee veh vei veo ver ves vey vh- vhc vhe vhi vho vhs vi- vic vie vii vio vir vis viv viy voc voe voh voi voo vor vos vov voy vrc vre vrh vri vrr vrs vry vsc vse vsh vsi vso vsr vss vsv vvc vvi vvo vvr vvs vvv vye ycc yce ych yci yco ycs ycv ycy yec yee yeh yei yeo yer yes yev yey yhc yhe yhi yhs yie yih 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