-er c-- ccc cce ccg ccn cco ccr ccs ccv ce- cec cee ceg cen ceo cer ces cev cgc cge cgg cgn cgo cgr cgs cgv cn- cnc cne cng cnn cno cnr cns cnv co- coc coe cog con coo cor cos cov crc cre crg crn cro crr crs crv csc cse csg csn cso csr css csv cvc cve cvg cvn cvo cvr cvs cvv ec- ecc ece ecg ecn eco ecr ecs ecv eec eee eeg een eeo eer ees eev egc ege egg egn ego egr egs en- enc ene eng enn eno enr ens env eo- eoc eoe eog eon eoo eor eos erc ere erg ern ero err ers erv es- esc ese esg esn eso esr ess esv evc eve evg evn evo evr evs evv gcc gce gcg gcn gco gcr gcs ge- gec gee geg gen geo ger ges gev ggc ggg ggn ggo ggr ggs ggv gnc gne gnn gno gnr gns gnv goc goe gog gon goo gor gos gov grc gre grg grn gro grr grs grv gsc gse gsg gsn gso gsr gss gsv gvc gve gvg gvn gvo gvr gvs ncc nce ncg ncn nco ncr ncs ncv ne- nec nee neg nen neo ner nes nev ngc nge ngg ngn ngo ngs nnc nne nng nnn nno nns nnv no- noc noe nog non noo nor nos nov nrc nre nrg nrn nro nrr nrs nrv nsc nse nsg nsn nso nsr nss nsv nvc nve nvg nvn nvv oc- occ ocg ocn oco ocr ocs ocv oec oee oeg oen oeo oer oes ogc oge ogg ogn ogo ogs on- onc one ong onn ono onr ons oo- ooc oog oon ooo oor oos oov or- orc ore org orn oro orr ors orv os- osc ose osg osn oso osr oss osv ov- ovc ove ovo ovs ovv rcc rce rcg rcn rco rcr rcs rcv re- rec ree reg ren reo rer res rev rgc rge rgg rgn rgo rgr rgs rgv rnc rng rnn rno rnr rns rnv roc roe rog ron roo ror ros rov rrc rrg rrn rrr rrs rsc rse rsg rsn rso rsr rss rsv rvc rve rvg rvn rvo rvr rvs rvv scc sce scg scn sco scr scs scv se- sec see seg sen seo ser ses sev sgc sge sgg sgn sgo sgr sgs sgv snc sne sng snn sno snr sns snv soc soe sog son soo sor sos sov sr- src sre srg srn sro srr srs srv ss- ssc sse ssg ssn sso ssr sss ssv svc sve svg svn svo svr svs svv v-e vcc vce vcn vco vcr vcs vec vee veg ven veo ver ves vgc vgg vgn vgo vgr vgs vn- vng vno vnr vns vnv voc voe vog von voo vor vos vov vrc vre vrg vrn vrr vrs vsc vse vsg vsn vso vsr vss vsv vvc vvg vvo vvr vvs vvv