-er -ic c-- ccc cce cch cci ccr ccs ce- cec cee ceh cei cer ces ch- chc che chh chi chr chs ci- cic cie cih cii cir cis crc cre crh cri crr crs csc cse csh csi csr css ec- ecc ece ech eci ecr ecs eec eee eer ees ehc ehe ehh ehi ehr ehs eic eie eii eir eis erc ere erh eri err ers es- esc ese esh esi esr ess h-i hcc hce hch hci hcr hcs he- hec hee heh hei her hes hhc hhe hhh hhi hhr hhs hic hie hih hii hir his hr- hrc hre hrh hri hrr hrs hsc hse hsh hsi hsr hss icc ice ich ici icr ics ie- iec iee iei ier ies ihc ihe ihh ihi ihr ihs iic iie iih iii iir iis ir- irc ire iri irr irs is- isc ise ish isi isr iss rcc rce rch rci rcr rcs re- rec ree reh rei rer res rh- rhc rhe rhh rhi rhr rhs ric rie rih rii rir ris rrc rrh rri rrr rrs rsc rse rsh rsi rsr rss scc sce sch sci scr scs se- sec see seh sei ser ses sh- shc she shh shi shr shs sic sie sih sii sir sis sr- src sre srh sri srr srs ss- ssc sse ssh ssi ssr sss