-er -ic c-- ccc cce cci ccl ccn ccp ccr ccs ce- cec cee cei cel cen cep cer ces ci- cic cie cii cil cin cip cir cis cl- clc cle cli cll cln clp clr cls cn- cnc cne cni cnl cnn cnp cnr cns cpc cpe cpi cpl cpn cpp cpr cps crc cre cri crl crn crp crr crs csc cse csi csl csn csp csr css ec- ecc ece eci ecl ecn ecr ecs eec eee eel een eep eer ees eic eie eii eil ein eip eir eis elc ele eli ell eln elp elr els en- enc ene eni enl enn enp enr ens ep- epc epe epi epl epn epp epr eps erc ere eri erl ern erp err ers es- esc ese esi esl esn esp esr ess icc ice ici icl icn icp icr ics ie- iec iee iei iel ien iep ier ies iic iie iii iil iin iip iir iis il- ilc ile ili ill iln ilp ilr ils in- inc ine ini inl inn inp inr ins ipc ipe ipi ipl ipn ipp ipr ips ir- irc ire iri irl irn irp irr irs is- isc ise isi isl isn isp isr iss l-p lcc lce lci lcl lcn lcp lcr lcs lec lee lei lel len lep ler les lic lie lii lil lin lip lir lis llc lle lli lll lln llp llr lls lnc lne lni lnl lnn lnp lnr lns lpc lpe lpi lpl lpn lpp lpr lps lrc lri lrn lrp lrr lrs lsc lse lsi lsl lsn lsp lsr lss n-i ncc nce nci ncl ncn ncp ncr ncs ne- nec nee nei nel nen nep ner nes nic nie nii nil nin nip nir nis nlc nle nli nll nln nlp nlr nls nnc nne nni nnl nnn nnp nns npc npe npi npl npn npp npr nps nrc nre nri nrl nrn nrp nrr nrs nsc nse nsi nsl nsn nsp nsr nss p-p pcc pce pci pcl pcn pcp pcr pcs pec pee pei pel pen pep per pes pic pie pii pil pin pip pir pis plc ple pli pll pln plp plr pls pn- pnc pne pni pnl pnn pnp pnr pns ppc ppe ppi ppl ppn ppp ppr pps prc pre pri prl prn prp prr prs ps- psc pse psi psl psn psp psr pss rcc rce rci rcl rcn rcp rcr rcs re- rec ree rei rel ren rep rer res ric rie rii ril rin rip rir ris rlc rle rli rll rln rlp rlr rls rnc rni rnn rnp rnr rns rpc rpe rpi rpl rpn rpp rpr rps rrc rri rrl rrn rrp rrr rrs rsc rse rsi rsl rsn rsp rsr rss scc sce sci scl scn scp scr scs se- sec see sei sel sen sep ser ses sic sie sii sil sin sip sir sis slc sle sli sll sln slp slr sls snc sne sni snl snn snp snr sns spc spe spi spl spn spp spr sps sr- src sre sri srl srn srp srr srs ss- ssc sse ssi ssl ssn ssp ssr sss