-er -ic c-- ccc cce ccg cci cck ccl ccn ccr ce- cec cee ceg cei cek cel cen cer cgc cge cgg cgi cgl cgn cgr ci- cic cie cig cii cik cil cin cir ckc cki cl- clc cle clg cli clk cll cln clr cn- cnc cne cng cni cnl cnn cnr crc cre crg cri crk crl crn crr ec- ecc ece ecg eci eck ecl ecn ecr eec eee eeg eek eel een eer egc ege egg egi egl egn egr eic eie eig eii eik eil ein eir ekc eke ekg eki ekl ekr elc ele elg eli elk ell eln elr en- enc ene eng eni enk enl enn enr erc ere erg eri erk erl ern err gcc gce gcg gci gck gcl gcn gcr ge- gec gee geg gei gek gel gen ger ggc ggg ggi ggn ggr gic gie gig gii gik gil gin gir gkn glc gle glg gli glk gll gln glr gnc gne gni gnl gnn gnr grc gre grg gri grk grl grn grr icc ice icg ici ick icl icn icr ie- iec iee ieg iei iek iel ien ier igc ige igg igi igk igl ign igr iic iie iii iil iin iir ikc ike iki ikk ikl ikr il- ilc ile ilg ili ilk ill iln ilr in- inc ine ing ini ink inl inn inr ir- irc ire irg iri irk irl irn irr kcc kce kcg kci kck kcl kcn kcr ke- kec kee keg kei kek kel ken ker kgc kgi kgl kic kie kig kii kik kil kin kir kkc kke kki kkk kkl kkn kkr kl- klc klg kli klr kn- knc kne kng kni knk knl knn knr krc krg kri krk krl krn krr lcc lce lcg lci lck lcl lcn lcr lec lee leg lei lek lel len ler lgc lge lgg lgi lgk lgl lgn lgr lic lie lig lii lik lil lin lir lkg lkl lkr llc lle llg lli llk lll lln llr lnc lne lng lni lnk lnl lnn lnr lrc lrg lri lrk lrn lrr n-i ncc nce ncg nci nck ncl ncn ncr ne- nec nee neg nei nek nel nen ner ngc nge ngg ngi ngk ngl ngn nic nie nig nii nik nil nin nir nkc nke nki nkk nkn nkr nlc nle nlg nli nlk nll nln nlr nnc nne nng nni nnk nnl nnn nrc nre nrg nri nrk nrl nrn nrr rcc rce rcg rci rcl rcn rcr re- rec ree reg rei rek rel ren rer rgc rge rgg rgi rgk rgn rgr ric rie rig rii rik ril rin rir rkc rke rkg rkk rlc rle rlg rli rll rln rlr rnc rng rni rnn rnr rrc rrg rri rrk rrl rrn rrr