-er -ic c-- ccc cce ccg cci cco ccr ccs ccv ce- cec cee ceg cei ceo cer ces cev cgc cge cgg cgi cgo cgr cgs cgv ci- cic cie cig cii cio cir cis civ co- coc coe cog coi coo cor cos cov crc cre crg cri cro crr crs crv csc cse csg csi cso csr css csv cvc cve cvg cvi cvo cvr cvs cvv ec- ecc ece ecg eci eco ecr ecs ecv eec eee eeg eeo eer ees eev egc ege egg egi ego egr egs eic eie eig eii eio eir eis eiv eo- eoc eoe eog eoi eoo eor eos erc ere erg eri ero err ers erv es- esc ese esg esi eso esr ess esv evc eve evg evi evo evr evs evv gcc gce gcg gci gco gcr gcs ge- gec gee geg gei geo ger ges gev ggc ggg ggi ggo ggr ggs ggv gic gie gig gii gio gir gis giv goc goe gog goi goo gor gos gov grc gre grg gri gro grr grs grv gsc gse gsg gsi gso gsr gss gsv gvc gve gvg gvi gvo gvr gvs i-v icc ice icg ici ico icr ics icv ie- iec iee ieg iei ier ies iev igc ige igg igi igo igr igs iic iie iii iio iir iis io- ioc ioe iog ioi ioo ior ios iov ir- irc ire irg iri iro irr irs irv is- isc ise isg isi iso isr iss isv ivc ive ivg ivi ivo ivr ivs ivv o-i oc- occ ocg oci oco ocr ocs ocv oec oee oeg oei oeo oer oes ogc oge ogg ogi ogo ogs oic oie oii oio oir ois oiv oo- ooc oog ooi ooo oor oos oov or- orc ore org ori oro orr ors orv os- osc ose osg osi oso osr oss osv ov- ovc ove ovi ovo ovs ovv rcc rce rcg rci rco rcr rcs rcv re- rec ree reg rei reo rer res rev rgc rge rgg rgi rgo rgr rgs rgv ric rie rig rii rio rir ris riv roc roe rog roi roo ror ros rov rrc rrg rri rrr rrs rsc rse rsg rsi rso rsr rss rsv rvc rve rvg rvi rvo rvr rvs rvv scc sce scg sci sco scr scs scv se- sec see seg sei seo ser ses sev sgc sge sgg sgi sgo sgr sgs sgv sic sie sig sii sio sir sis siv soc soe sog soi soo sor sos sov sr- src sre srg sri sro srr srs srv ss- ssc sse ssg ssi sso ssr sss ssv svc sve svg svi svo svr svs svv v-e vcc vce vci vco vcr vcs vec vee veg vei veo ver ves vgc vgg vgo vgr vgs vi- vic vie vig vii vio vir vis viv voc voe vog voi voo vor vos vov vrc vre vrg vri vrr vrs vsc vse vsg vsi vso vsr vss vsv vvc vvg vvi vvo vvr vvs vvv