c-- ccc cce cch ccl ccp ccs ce- cec cee ceh cel cep ces ch- chc che chh chl chp chs cl- clc cle clh cll clp cls cpc cpe cph cpl cpp cps csc cse csh csl csp css ec- ecc ece ech ecl ecs eec eee eel eep ees ehc ehe ehh ehl ehp ehs elc ele elh ell elp els ep- epc epe eph epl epp eps es- esc ese esh esl esp ess hcc hce hch hcl hcp hcs he- hec hee heh hel hep hes hhc hhe hhh hhl hhp hhs hlc hle hlh hll hlp hls hpc hpe hph hpl hpp hps hsc hse hsh hsl hsp hss l-p lcc lce lch lcl lcp lcs lec lee leh lel lep les lhc lhh lhp lhs llc lle lll llp lls lpc lpe lph lpl lpp lps lsc lse lsh lsl lsp lss p-p pcc pce pch pcl pcp pcs pec pee peh pel pep pes phc phe phl php phs plc ple plh pll plp pls ppc ppe pph ppl ppp pps ps- psc pse psh psl psp pss scc sce sch scl scp scs se- sec see seh sel sep ses sh- shc she shh shl shp shs slc sle slh sll slp sls spc spe sph spl spp sps ss- ssc sse ssh ssl ssp sss