-ic c-- ccc cce ccf ccg cci ccn ce- cec cee cef ceg cei cen cfc cfe cff cfg cfi cfn cgc cge cgg cgi cgn ci- cic cie cif cig cii cin cn- cnc cne cnf cng cni cnn ec- ecc ece ecf ecg eci ecn eec eee eef eeg een ef- efc efe eff efg efi egc ege egf egg egi egn eic eie eif eig eii ein en- enc ene enf eng eni enn fcc fce fcf fcg fci fcn fec fee fef feg fei fen ffc ffe fff ffg ffi ffn fgc fge fgf fgg fgi fgn fic fie fif fig fii fin fnc fne fnf fng fni fnn gcc gce gcf gcg gci gcn ge- gec gee gef geg gei gen gfc gfe gff gfi ggc ggg ggi ggn gic gie gif gig gii gin gnc gne gnf gni gnn i-f icc ice icf icg ici icn ie- iec iee ief ieg iei ien ifc ife iff ifg ifi ifn igc ige igf igg igi ign iic iie iif iii iin in- inc ine inf ing ini inn n-i ncc nce ncf ncg nci ncn ne- nec nee nef neg nei nen nfc nfe nff nfi nfn ngc nge ngf ngg ngi ngn nic nie nif nig nii nin nnc nne nnf nng nni nnn