c-- ccc cce ccg cco ccs ccv ce- cec cee ceg ceo ces cev cgc cge cgg cgo cgs cgv co- coc coe cog coo cos cov csc cse csg cso css csv cvc cve cvg cvo cvs cvv ec- ecc ece ecg eco ecs ecv eec eee eeg eeo ees eev egc ege egg ego egs eo- eoc eoe eog eoo eos es- esc ese esg eso ess esv evc eve evg evo evs evv gcc gce gcg gco gcs ge- gec gee geg geo ges gev ggc ggg ggo ggs ggv goc goe gog goo gos gov gsc gse gsg gso gss gsv gvc gve gvg gvo gvs oc- occ ocg oco ocs ocv oec oee oeg oeo oes ogc oge ogg ogo ogs oo- ooc oog ooo oos oov os- osc ose osg oso oss osv ov- ovc ove ovo ovs ovv scc sce scg sco scs scv se- sec see seg seo ses sev sgc sge sgg sgo sgs sgv soc soe sog soo sos sov ss- ssc sse ssg sso sss ssv svc sve svg svo svs svv v-e vcc vce vco vcs vec vee veg veo ves vgc vgg vgo vgs voc voe vog voo vos vov vsc vse vsg vso vss vsv vvc vvg vvo vvs vvv