-er -ey c-- ccc cce cch ccp ccr ce- cec cee ceh cep cer cey ch- chc che chh chp chr chy cpc cpe cph cpp cpr crc cre crh crp crr cry cyc cye cyp cyr ec- ecc ece ech ecr eec eee eep eer eey ehc ehe ehh ehp ehr ep- epc epe eph epp epr erc ere erh erp err ery eyc eye eyp eyr hcc hce hch hcp hcr hcy he- hec hee heh hep her hey hhc hhe hhh hhp hhr hhy hpc hpe hph hpp hpr hpy hr- hrc hre hrh hrp hrr hy- hyc hye hyh hyp hyr hyy p-p pcc pce pch pcp pcr pec pee peh pep per pey phc phe php phr phy ppc ppe pph ppp ppr prc pre prh prp prr pry py- pyc pye pyr rcc rce rch rcp rcr re- rec ree reh rep rer rey rh- rhc rhe rhh rhp rhr rpc rpe rph rpp rpr rrc rrh rrp rrr ry- ryc rye ryr ryy ycc yce ych ycp ycy yec yee yeh yep yer yey yhc yhe yrc yre yrp yyc yye yyy