-er -ic c-- ccc cce ccg cci cck ccl ccn ccp ccr ce- cec cee ceg cei cek cel cen cep cer cgc cge cgg cgi cgl cgn cgp cgr ci- cic cie cig cii cik cil cin cip cir ckc cki cl- clc cle clg cli clk cll cln clp clr cn- cnc cne cng cni cnl cnn cnp cnr cpc cpe cpg cpi cpk cpl cpn cpp cpr crc cre crg cri crk crl crn crp crr ec- ecc ece ecg eci eck ecl ecn ecr eec eee eeg eek eel een eep eer egc ege egg egi egl egn egp egr eic eie eig eii eik eil ein eip eir ekc eke ekg eki ekl ekp ekr elc ele elg eli elk ell eln elp elr en- enc ene eng eni enk enl enn enp enr ep- epc epe epg epi epl epn epp epr erc ere erg eri erk erl ern erp err g-p gcc gce gcg gci gck gcl gcn gcp gcr ge- gec gee geg gei gek gel gen gep ger ggc ggg ggi ggn ggp ggr gic gie gig gii gik gil gin gip gir gkn gkp glc gle glg gli glk gll gln glp glr gnc gne gni gnl gnn gnp gnr gpc gpe gpg gpi gpk gpl gpn gpp gpr grc gre grg gri grk grl grn grp grr icc ice icg ici ick icl icn icp icr ie- iec iee ieg iei iek iel ien iep ier igc ige igg igi igk igl ign igp igr iic iie iii iil iin iip iir ikc ike iki ikk ikl ikr il- ilc ile ilg ili ilk ill iln ilp ilr in- inc ine ing ini ink inl inn inp inr ipc ipe ipg ipi ipl ipn ipp ipr ir- irc ire irg iri irk irl irn irp irr kcc kce kcg kci kck kcl kcn kcp kcr ke- kec kee keg kei kek kel ken kep ker kgc kgi kgl kgp kic kie kig kii kik kil kin kip kir kkc kke kki kkk kkl kkn kkp kkr kl- klc klg kli klr kn- knc kne kng kni knk knl knn knp knr kpc kpe kpi kpk kpl kpn kpp kpr krc krg kri krk krl krn krp krr l-p lcc lce lcg lci lck lcl lcn lcp lcr lec lee leg lei lek lel len lep ler lgc lge lgg lgi lgk lgl lgn lgp lgr lic lie lig lii lik lil lin lip lir lkg lkl lkp lkr llc lle llg lli llk lll lln llp llr lnc lne lng lni lnk lnl lnn lnp lnr lpc lpe lpg lpi lpk lpl lpn lpp lpr lrc lrg lri lrk lrn lrp lrr n-i ncc nce ncg nci nck ncl ncn ncp ncr ne- nec nee neg nei nek nel nen nep ner ngc nge ngg ngi ngk ngl ngn ngp nic nie nig nii nik nil nin nip nir nkc nke nki nkk nkn nkp nkr nlc nle nlg nli nlk nll nln nlp nlr nnc nne nng nni nnk nnl nnn nnp npc npe npg npi npl npn npp npr nrc nre nrg nri nrk nrl nrn nrp nrr p-p pcc pce pcg pci pck pcl pcn pcp pcr pec pee peg pei pek pel pen pep per pgc pge pgg pgi pgk pgl pgn pgp pgr pic pie pig pii pik pil pin pip pir pkc pke pkg pki pkl pkn pkp pkr plc ple plg pli plk pll pln plp plr pn- pnc pne png pni pnk pnl pnn pnp pnr ppc ppe ppg ppi ppk ppl ppn ppp ppr prc pre prg pri prk prl prn prp prr rcc rce rcg rci rcl rcn rcp rcr re- rec ree reg rei rek rel ren rep rer rgc rge rgg rgi rgk rgn rgp rgr ric rie rig rii rik ril rin rip rir rkc rke rkg rkk rkp rlc rle rlg rli rll rln rlp rlr rnc rng rni rnn rnp rnr rpc rpe rpg rpi rpk rpl rpn rpp rpr rrc rrg rri rrk rrl rrn rrp rrr