-er -ey c-- ccc cce cch ccr ce- cec cee ceh cer cey ch- chc che chh chr chy crc cre crh crr cry cyc cye cyr ec- ecc ece ech ecr eec eee eer eey ehc ehe ehh ehr erc ere erh err ery eyc eye eyr hcc hce hch hcr hcy he- hec hee heh her hey hhc hhe hhh hhr hhy hr- hrc hre hrh hrr hy- hyc hye hyh hyr hyy rcc rce rch rcr re- rec ree reh rer rey rh- rhc rhe rhh rhr rrc rrh rrr ry- ryc rye ryr ryy ycc yce ych ycy yec yee yeh yer yey yhc yhe yrc yre yyc yye yyy