-er -ic c-- ccc cce ccf ccg cci ccn ccr ce- cec cee cef ceg cei cen cer cfc cfe cff cfg cfi cfn cfr cgc cge cgg cgi cgn cgr ci- cic cie cif cig cii cin cir cn- cnc cne cnf cng cni cnn cnr crc cre crf crg cri crn crr ec- ecc ece ecf ecg eci ecn ecr eec eee eef eeg een eer ef- efc efe eff efg efi efr egc ege egf egg egi egn egr eic eie eif eig eii ein eir en- enc ene enf eng eni enn enr erc ere erf erg eri ern err fcc fce fcf fcg fci fcn fcr fec fee fef feg fei fen fer ffc ffe fff ffg ffi ffn ffr fgc fge fgf fgg fgi fgn fgr fic fie fif fig fii fin fir fnc fne fnf fng fni fnn fnr frc fre frf frg fri frn frr gcc gce gcf gcg gci gcn gcr ge- gec gee gef geg gei gen ger gfc gfe gff gfi gfr ggc ggg ggi ggn ggr gic gie gif gig gii gin gir gnc gne gnf gni gnn gnr grc gre grf grg gri grn grr i-f icc ice icf icg ici icn icr ie- iec iee ief ieg iei ien ier ifc ife iff ifg ifi ifn ifr igc ige igf igg igi ign igr iic iie iif iii iin iir in- inc ine inf ing ini inn inr ir- irc ire irf irg iri irn irr n-i ncc nce ncf ncg nci ncn ncr ne- nec nee nef neg nei nen ner nfc nfe nff nfi nfn nfr ngc nge ngf ngg ngi ngn nic nie nif nig nii nin nir nnc nne nnf nng nni nnn nrc nre nrf nrg nri nrn nrr rcc rce rcf rcg rci rcn rcr re- rec ree ref reg rei ren rer rfc rfe rff rfg rfi rfn rfr rgc rge rgf rgg rgi rgn rgr ric rie rif rig rii rin rir rnc rng rni rnn rnr rrc rrf rrg rri rrn rrr