c-- ccc cce cch ccp ccs ce- cec cee ceh cep ces ch- chc che chh chp chs cpc cpe cph cpp cps csc cse csh csp css ec- ecc ece ech ecs eec eee eep ees ehc ehe ehh ehp ehs ep- epc epe eph epp eps es- esc ese esh esp ess hcc hce hch hcp hcs he- hec hee heh hep hes hhc hhe hhh hhp hhs hpc hpe hph hpp hps hsc hse hsh hsp hss p-p pcc pce pch pcp pcs pec pee peh pep pes phc phe php phs ppc ppe pph ppp pps ps- psc pse psh psp pss scc sce sch scp scs se- sec see seh sep ses sh- shc she shh shp shs spc spe sph spp sps ss- ssc sse ssh ssp sss