c-- ccc cce cch ccn ccp ccs ce- cec cee ceh cen cep ces ch- chc che chh chn chp chs cn- cnc cne cnh cnn cnp cns cpc cpe cph cpn cpp cps csc cse csh csn csp css ec- ecc ece ech ecn ecs eec eee een eep ees ehc ehe ehh ehn ehp ehs en- enc ene enh enn enp ens ep- epc epe eph epn epp eps es- esc ese esh esn esp ess hcc hce hch hcn hcp hcs he- hec hee heh hen hep hes hhc hhe hhh hhn hhp hhs hnc hne hnh hnn hns hpc hpe hph hpn hpp hps hsc hse hsh hsn hsp hss ncc nce nch ncn ncp ncs ne- nec nee neh nen nep nes nhc nhe nhh nhn nhp nhs nnc nne nnh nnn nnp nns npc npe nph npn npp nps nsc nse nsh nsn nsp nss p-p pcc pce pch pcn pcp pcs pec pee peh pen pep pes phc phe phn php phs pn- pnc pne pnh pnn pnp pns ppc ppe pph ppn ppp pps ps- psc pse psh psn psp pss scc sce sch scn scp scs se- sec see seh sen sep ses sh- shc she shh shn shp shs snc sne snn snp sns spc spe sph spn spp sps ss- ssc sse ssh ssn ssp sss