c-- ccc cce cch ccl ccp ce- cec cee ceh cel cep ch- chc che chh chl chp cl- clc cle clh cll clp cpc cpe cph cpl cpp ec- ecc ece ech ecl eec eee eel eep ehc ehe ehh ehl ehp elc ele elh ell elp ep- epc epe eph epl epp hcc hce hch hcl hcp he- hec hee heh hel hep hhc hhe hhh hhl hhp hlc hle hlh hll hlp hpc hpe hph hpl hpp l-p lcc lce lch lcl lcp lec lee leh lel lep lhc lhh lhp llc lle lll llp lpc lpe lph lpl lpp p-p pcc pce pch pcl pcp pec pee peh pel pep phc phe phl php plc ple plh pll plp ppc ppe pph ppl ppp