-er -ic c-- ccc cce ccg cci ccl ccn ccp ccr ccs ce- cec cee ceg cei cel cen cep cer ces cgc cge cgg cgi cgl cgn cgp cgr cgs ci- cic cie cig cii cil cin cip cir cis cl- clc cle clg cli cll cln clp clr cls cn- cnc cne cng cni cnl cnn cnp cnr cns cpc cpe cpg cpi cpl cpn cpp cpr cps crc cre crg cri crl crn crp crr crs csc cse csg csi csl csn csp csr css ec- ecc ece ecg eci ecl ecn ecr ecs eec eee eeg eel een eep eer ees egc ege egg egi egl egn egp egr egs eic eie eig eii eil ein eip eir eis elc ele elg eli ell eln elp elr els en- enc ene eng eni enl enn enp enr ens ep- epc epe epg epi epl epn epp epr eps erc ere erg eri erl ern erp err ers es- esc ese esg esi esl esn esp esr ess g-p gcc gce gcg gci gcl gcn gcp gcr gcs ge- gec gee geg gei gel gen gep ger ges ggc ggg ggi ggn ggp ggr ggs gic gie gig gii gil gin gip gir gis glc gle glg gli gll gln glp glr gls gnc gne gni gnl gnn gnp gnr gns gpc gpe gpg gpi gpl gpn gpp gpr gps grc gre grg gri grl grn grp grr grs gsc gse gsg gsi gsl gsn gsp gsr gss icc ice icg ici icl icn icp icr ics ie- iec iee ieg iei iel ien iep ier ies igc ige igg igi igl ign igp igr igs iic iie iii iil iin iip iir iis il- ilc ile ilg ili ill iln ilp ilr ils in- inc ine ing ini inl inn inp inr ins ipc ipe ipg ipi ipl ipn ipp ipr ips ir- irc ire irg iri irl irn irp irr irs is- isc ise isg isi isl isn isp isr iss l-p lcc lce lcg lci lcl lcn lcp lcr lcs lec lee leg lei lel len lep ler les lgc lge lgg lgi lgl lgn lgp lgr lgs lic lie lig lii lil lin lip lir lis llc lle llg lli lll lln llp llr lls lnc lne lng lni lnl lnn lnp lnr lns lpc lpe lpg lpi lpl lpn lpp lpr lps lrc lrg lri lrn lrp lrr lrs lsc lse lsg lsi lsl lsn lsp lsr lss n-i ncc nce ncg nci ncl ncn ncp ncr ncs ne- nec nee neg nei nel nen nep ner nes ngc nge ngg ngi ngl ngn ngp ngs nic nie nig nii nil nin nip nir nis nlc nle nlg nli nll nln nlp nlr nls nnc nne nng nni nnl nnn nnp nns npc npe npg npi npl npn npp npr nps nrc nre nrg nri nrl nrn nrp nrr nrs nsc nse nsg nsi nsl nsn nsp nsr nss p-p pcc pce pcg pci pcl pcn pcp pcr pcs pec pee peg pei pel pen pep per pes pgc pge pgg pgi pgl pgn pgp pgr pgs pic pie pig pii pil pin pip pir pis plc ple plg pli pll pln plp plr pls pn- pnc pne png pni pnl pnn pnp pnr pns ppc ppe ppg ppi ppl ppn ppp ppr pps prc pre prg pri prl prn prp prr prs ps- psc pse psg psi psl psn psp psr pss rcc rce rcg rci rcl rcn rcp rcr rcs re- rec ree reg rei rel ren rep rer res rgc rge rgg rgi rgn rgp rgr rgs ric rie rig rii ril rin rip rir ris rlc rle rlg rli rll rln rlp rlr rls rnc rng rni rnn rnp rnr rns rpc rpe rpg rpi rpl rpn rpp rpr rps rrc rrg rri rrl rrn rrp rrr rrs rsc rse rsg rsi rsl rsn rsp rsr rss scc sce scg sci scl scn scp scr scs se- sec see seg sei sel sen sep ser ses sgc sge sgg sgi sgl sgn sgp sgr sgs sic sie sig sii sil sin sip sir sis slc sle slg sli sll sln slp slr sls snc sne sng sni snl snn snp snr sns spc spe spg spi spl spn spp spr sps sr- src sre srg sri srl srn srp srr srs ss- ssc sse ssg ssi ssl ssn ssp ssr sss