-er -ic c-- ccc cce cch cci ccp ccr ccs ce- cec cee ceh cei cep cer ces ch- chc che chh chi chp chr chs ci- cic cie cih cii cip cir cis cpc cpe cph cpi cpp cpr cps crc cre crh cri crp crr crs csc cse csh csi csp csr css ec- ecc ece ech eci ecr ecs eec eee eep eer ees ehc ehe ehh ehi ehp ehr ehs eic eie eii eip eir eis ep- epc epe eph epi epp epr eps erc ere erh eri erp err ers es- esc ese esh esi esp esr ess h-i hcc hce hch hci hcp hcr hcs he- hec hee heh hei hep her hes hhc hhe hhh hhi hhp hhr hhs hic hie hih hii hip hir his hpc hpe hph hpi hpp hpr hps hr- hrc hre hrh hri hrp hrr hrs hsc hse hsh hsi hsp hsr hss icc ice ich ici icp icr ics ie- iec iee iei iep ier ies ihc ihe ihh ihi ihp ihr ihs iic iie iih iii iip iir iis ipc ipe ipi ipp ipr ips ir- irc ire iri irp irr irs is- isc ise ish isi isp isr iss p-p pcc pce pch pci pcp pcr pcs pec pee peh pei pep per pes phc phe phi php phr phs pic pie pih pii pip pir pis ppc ppe pph ppi ppp ppr pps prc pre prh pri prp prr prs ps- psc pse psh psi psp psr pss rcc rce rch rci rcp rcr rcs re- rec ree reh rei rep rer res rh- rhc rhe rhh rhi rhp rhr rhs ric rie rih rii rip rir ris rpc rpe rph rpi rpp rpr rps rrc rrh rri rrp rrr rrs rsc rse rsh rsi rsp rsr rss scc sce sch sci scp scr scs se- sec see seh sei sep ser ses sh- shc she shh shi shp shr shs sic sie sih sii sip sir sis spc spe sph spi spp spr sps sr- src sre srh sri srp srr srs ss- ssc sse ssh ssi ssp ssr sss