c-- ccc cce ccl ccn ccp ccv ce- cec cee cel cen cep cev cl- clc cle cll cln clp clv cn- cnc cne cnl cnn cnp cnv cpc cpe cpl cpn cpp cpv cvc cve cvl cvn cvp cvv ec- ecc ece ecl ecn ecv eec eee eel een eep eev elc ele ell eln elp elv en- enc ene enl enn enp env ep- epc epe epl epn epp evc eve evl evn evp evv l-p lcc lce lcl lcn lcp lcv lec lee lel len lep lev llc lle lll lln llp llv lnc lne lnl lnn lnp lpc lpe lpl lpn lpp lpv lvc lve lvl lvn lvp lvv ncc nce ncl ncn ncp ncv ne- nec nee nel nen nep nev nlc nle nll nln nlp nlv nnc nne nnl nnn nnp nnv npc npe npl npn npp npv nvc nve nvl nvn nvp nvv p-p pcc pce pcl pcn pcp pcv pec pee pel pen pep pev plc ple pll pln plp plv pn- pnc pne pnl pnn pnp pnv ppc ppe ppl ppn ppp ppv pvc pve pvl pvn pvp pvv v-e vcc vce vcl vcn vcp vec vee vel ven vep vl- vlc vle vll vlp vlv vn- vnl vnp vnv vpc vpe vpl vpn vpp vvc vvv