-er -ic c-- ccc cce cch cci ccl ccp ccr ccs ce- cec cee ceh cei cel cep cer ces ch- chc che chh chi chl chp chr chs ci- cic cie cih cii cil cip cir cis cl- clc cle clh cli cll clp clr cls cpc cpe cph cpi cpl cpp cpr cps crc cre crh cri crl crp crr crs csc cse csh csi csl csp csr css ec- ecc ece ech eci ecl ecr ecs eec eee eel eep eer ees ehc ehe ehh ehi ehl ehp ehr ehs eic eie eii eil eip eir eis elc ele elh eli ell elp elr els ep- epc epe eph epi epl epp epr eps erc ere erh eri erl erp err ers es- esc ese esh esi esl esp esr ess h-i hcc hce hch hci hcl hcp hcr hcs he- hec hee heh hei hel hep her hes hhc hhe hhh hhi hhl hhp hhr hhs hic hie hih hii hil hip hir his hlc hle hlh hli hll hlp hlr hls hpc hpe hph hpi hpl hpp hpr hps hr- hrc hre hrh hri hrl hrp hrr hrs hsc hse hsh hsi hsl hsp hsr hss icc ice ich ici icl icp icr ics ie- iec iee iei iel iep ier ies ihc ihe ihh ihi ihl ihp ihr ihs iic iie iih iii iil iip iir iis il- ilc ile ilh ili ill ilp ilr ils ipc ipe ipi ipl ipp ipr ips ir- irc ire iri irl irp irr irs is- isc ise ish isi isl isp isr iss l-p lcc lce lch lci lcl lcp lcr lcs lec lee leh lei lel lep ler les lhc lhh lhi lhp lhr lhs lic lie lih lii lil lip lir lis llc lle lli lll llp llr lls lpc lpe lph lpi lpl lpp lpr lps lrc lrh lri lrp lrr lrs lsc lse lsh lsi lsl lsp lsr lss p-p pcc pce pch pci pcl pcp pcr pcs pec pee peh pei pel pep per pes phc phe phi phl php phr phs pic pie pih pii pil pip pir pis plc ple plh pli pll plp plr pls ppc ppe pph ppi ppl ppp ppr pps prc pre prh pri prl prp prr prs ps- psc pse psh psi psl psp psr pss rcc rce rch rci rcl rcp rcr rcs re- rec ree reh rei rel rep rer res rh- rhc rhe rhh rhi rhl rhp rhr rhs ric rie rih rii ril rip rir ris rlc rle rlh rli rll rlp rlr rls rpc rpe rph rpi rpl rpp rpr rps rrc rrh rri rrl rrp rrr rrs rsc rse rsh rsi rsl rsp rsr rss scc sce sch sci scl scp scr scs se- sec see seh sei sel sep ser ses sh- shc she shh shi shl shp shr shs sic sie sih sii sil sip sir sis slc sle slh sli sll slp slr sls spc spe sph spi spl spp spr sps sr- src sre srh sri srl srp srr srs ss- ssc sse ssh ssi ssl ssp ssr sss