c-- ccc cce cch ccl ccn ccp ce- cec cee ceh cel cen cep ch- chc che chh chl chn chp cl- clc cle clh cll cln clp cn- cnc cne cnh cnl cnn cnp cpc cpe cph cpl cpn cpp ec- ecc ece ech ecl ecn eec eee eel een eep ehc ehe ehh ehl ehn ehp elc ele elh ell eln elp en- enc ene enh enl enn enp ep- epc epe eph epl epn epp hcc hce hch hcl hcn hcp he- hec hee heh hel hen hep hhc hhe hhh hhl hhn hhp hlc hle hlh hll hln hlp hnc hne hnh hnl hnn hpc hpe hph hpl hpn hpp l-p lcc lce lch lcl lcn lcp lec lee leh lel len lep lhc lhh lhp llc lle lll lln llp lnc lne lnh lnl lnn lnp lpc lpe lph lpl lpn lpp ncc nce nch ncl ncn ncp ne- nec nee neh nel nen nep nhc nhe nhh nhl nhn nhp nlc nle nlh nll nln nlp nnc nne nnh nnl nnn nnp npc npe nph npl npn npp p-p pcc pce pch pcl pcn pcp pec pee peh pel pen pep phc phe phl phn php plc ple plh pll pln plp pn- pnc pne pnh pnl pnn pnp ppc ppe pph ppl ppn ppp