-er -ic c-- ccc cce cch cci ccr ce- cec cee ceh cei cer ch- chc che chh chi chr ci- cic cie cih cii cir crc cre crh cri crr ec- ecc ece ech eci ecr eec eee eer ehc ehe ehh ehi ehr eic eie eii eir erc ere erh eri err h-i hcc hce hch hci hcr he- hec hee heh hei her hhc hhe hhh hhi hhr hic hie hih hii hir hr- hrc hre hrh hri hrr icc ice ich ici icr ie- iec iee iei ier ihc ihe ihh ihi ihr iic iie iih iii iir ir- irc ire iri irr rcc rce rch rci rcr re- rec ree reh rei rer rh- rhc rhe rhh rhi rhr ric rie rih rii rir rrc rrh rri rrr