-er -ic c-- ccc cce cch cci ccr ccu ce- cec cee ceh cei cer ceu ch- chc che chh chi chr chu ci- cic cie cih cii cir ciu crc cre crh cri crr cru cuc cue cuh cui cur cuu ec- ecc ece ech eci ecr ecu eec eee eer ehc ehe ehh ehi ehr ehu eic eie eii eir eiu erc ere erh eri err eru eu- euc eue eui eur h-i hcc hce hch hci hcr he- hec hee heh hei her heu hhc hhe hhh hhi hhr hhu hic hie hih hii hir hiu hr- hrc hre hrh hri hrr hru huc hue huh hui hur huu icc ice ich ici icr icu ie- iec iee iei ier ihc ihe ihh ihi ihr ihu iic iie iih iii iir iiu ir- irc ire iri irr iru iu- iuc iue iui iur rcc rce rch rci rcr rcu re- rec ree reh rei rer reu rh- rhc rhe rhh rhi rhr rhu ric rie rih rii rir rrc rrh rri rrr rru ruc rue ruh rui rur ruu ucc uce uch uci ucr ucu uec uee ueh uei uer uhc uhe uhh uhi uhr uhu uic uie uii uir uiu ur- urc ure uri urr uru uuc uue uur uuu