-er -ey -ic c-- ccc cce cch cci ccr ce- cec cee ceh cei cer cey ch- chc che chh chi chr chy ci- cic cie cih cii cir crc cre crh cri crr cry cyc cye cyr ec- ecc ece ech eci ecr eec eee eer eey ehc ehe ehh ehi ehr eic eie eii eir erc ere erh eri err ery eyc eye eyr h-i hcc hce hch hci hcr hcy he- hec hee heh hei her hey hhc hhe hhh hhi hhr hhy hic hie hih hii hir hr- hrc hre hrh hri hrr hy- hyc hye hyh hyi hyr hyy icc ice ich ici icr icy ie- iec iee iei ier iey ihc ihe ihh ihi ihr ihy iic iie iih iii iir ir- irc ire iri irr iry iyc iye iyr iyy rcc rce rch rci rcr re- rec ree reh rei rer rey rh- rhc rhe rhh rhi rhr ric rie rih rii rir riy rrc rrh rri rrr ry- ryc rye ryr ryy ycc yce ych yci ycy yec yee yeh yei yer yey yhc yhe yhi yie yih yii yir yrc yre yyc yye yyy