c-- ccc cce ccg cco ccp ccs ce- cec cee ceg ceo cep ces cgc cge cgg cgo cgp cgs co- coc coe cog coo cop cos cpc cpe cpg cpo cpp cps csc cse csg cso csp css ec- ecc ece ecg eco ecs eec eee eeg eeo eep ees egc ege egg ego egp egs eo- eoc eoe eog eoo eop eos ep- epc epe epg epo epp eps es- esc ese esg eso esp ess g-p gcc gce gcg gco gcp gcs ge- gec gee geg geo gep ges ggc ggg ggo ggp ggs goc goe gog goo gop gos gpc gpe gpg gpo gpp gps gsc gse gsg gso gsp gss oc- occ ocg oco ocp ocs oec oee oeg oeo oep oes ogc oge ogg ogo ogp ogs oo- ooc oog ooo oop oos op- opc ope opg opo opp ops os- osc ose osg oso osp oss p-p pcc pce pcg pco pcp pcs pec pee peg peo pep pes pgc pge pgg pgo pgp pgs poc poe pog poo pop pos ppc ppe ppg ppo ppp pps ps- psc pse psg pso psp pss scc sce scg sco scp scs se- sec see seg seo sep ses sgc sge sgg sgo sgp sgs soc soe sog soo sop sos spc spe spg spo spp sps ss- ssc sse ssg sso ssp sss