c-- ccc cce ccn ccp ccs ccv ce- cec cee cen cep ces cev cn- cnc cne cnn cnp cns cnv cpc cpe cpn cpp cps cpv csc cse csn csp css csv cvc cve cvn cvp cvs cvv ec- ecc ece ecn ecs ecv eec eee een eep ees eev en- enc ene enn enp ens env ep- epc epe epn epp eps es- esc ese esn esp ess esv evc eve evn evp evs evv ncc nce ncn ncp ncs ncv ne- nec nee nen nep nes nev nnc nne nnn nnp nns nnv npc npe npn npp nps npv nsc nse nsn nsp nss nsv nvc nve nvn nvp nvv p-p pcc pce pcn pcp pcs pcv pec pee pen pep pes pev pn- pnc pne pnn pnp pns pnv ppc ppe ppn ppp pps ppv ps- psc pse psn psp pss psv pvc pve pvn pvp pvs pvv scc sce scn scp scs scv se- sec see sen sep ses sev snc sne snn snp sns snv spc spe spn spp sps spv ss- ssc sse ssn ssp sss ssv svc sve svn svp svs svv v-e vcc vce vcn vcp vcs vec vee ven vep ves vn- vnp vns vnv vpc vpe vpn vpp vps vsc vse vsn vsp vss vsv vvc vvs vvv