c-- ccc cce cch cck ccp ccs ce- cec cee ceh cek cep ces ch- chc che chh chk chp chs ckc ckh cks cpc cpe cph cpk cpp cps csc cse csh csk csp css ec- ecc ece ech eck ecs eec eee eek eep ees ehc ehe ehh ehp ehs ekc eke ekh ekp eks ep- epc epe eph epp eps es- esc ese esh esk esp ess hcc hce hch hck hcp hcs he- hec hee heh hek hep hes hhc hhe hhh hhk hhp hhs hkh hkk hkp hks hpc hpe hph hpk hpp hps hsc hse hsh hsk hsp hss kcc kce kch kck kcp kcs ke- kec kee keh kek kep kes khe khh khk khs kkc kke kkh kkk kkp kks kpc kpe kph kpk kpp kps ksc kse ksh ksk ksp kss p-p pcc pce pch pck pcp pcs pec pee peh pek pep pes phc phe phk php phs pkc pke pkp pks ppc ppe pph ppk ppp pps ps- psc pse psh psk psp pss scc sce sch sck scp scs se- sec see seh sek sep ses sh- shc she shh shk shp shs sk- skc ske skh skk skp sks spc spe sph spk spp sps ss- ssc sse ssh ssk ssp sss