-er -ic c-- ccc cce ccg cci ccn ccr ce- cec cee ceg cei cen cer cgc cge cgg cgi cgn cgr ci- cic cie cig cii cin cir cn- cnc cne cng cni cnn cnr crc cre crg cri crn crr ec- ecc ece ecg eci ecn ecr eec eee eeg een eer egc ege egg egi egn egr eic eie eig eii ein eir en- enc ene eng eni enn enr erc ere erg eri ern err gcc gce gcg gci gcn gcr ge- gec gee geg gei gen ger ggc ggg ggi ggn ggr gic gie gig gii gin gir gnc gne gni gnn gnr grc gre grg gri grn grr icc ice icg ici icn icr ie- iec iee ieg iei ien ier igc ige igg igi ign igr iic iie iii iin iir in- inc ine ing ini inn inr ir- irc ire irg iri irn irr n-i ncc nce ncg nci ncn ncr ne- nec nee neg nei nen ner ngc nge ngg ngi ngn nic nie nig nii nin nir nnc nne nng nni nnn nrc nre nrg nri nrn nrr rcc rce rcg rci rcn rcr re- rec ree reg rei ren rer rgc rge rgg rgi rgn rgr ric rie rig rii rin rir rnc rng rni rnn rnr rrc rrg rri rrn rrr