-ic c-- ccc cce ccf ccg cci cck ccn ce- cec cee cef ceg cei cek cen cfc cfe cff cfg cfi cfk cfn cgc cge cgg cgi cgn ci- cic cie cif cig cii cik cin ckc cki cn- cnc cne cnf cng cni cnn ec- ecc ece ecf ecg eci eck ecn eec eee eef eeg eek een ef- efc efe eff efg efi egc ege egf egg egi egn eic eie eif eig eii eik ein ekc eke ekf ekg eki en- enc ene enf eng eni enk enn fcc fce fcf fcg fci fck fcn fec fee fef feg fei fek fen ffc ffe fff ffg ffi ffk ffn fgc fge fgf fgg fgi fgn fic fie fif fig fii fik fin fkc fkf fkg fki fkk fnc fne fnf fng fni fnk fnn gcc gce gcf gcg gci gck gcn ge- gec gee gef geg gei gek gen gfc gfe gff gfi gfk ggc ggg ggi ggn gic gie gif gig gii gik gin gkn gnc gne gnf gni gnn i-f icc ice icf icg ici ick icn ie- iec iee ief ieg iei iek ien ifc ife iff ifg ifi ifn igc ige igf igg igi igk ign iic iie iif iii iin ikc ike ikf iki ikk in- inc ine inf ing ini ink inn kcc kce kcg kci kck kcn ke- kec kee kef keg kei kek ken kfc kff kfg kfi kgc kgf kgi kic kie kif kig kii kik kin kkc kke kki kkk kkn kn- knc kne knf kng kni knk knn n-i ncc nce ncf ncg nci nck ncn ne- nec nee nef neg nei nek nen nfc nfe nff nfi nfk nfn ngc nge ngf ngg ngi ngk ngn nic nie nif nig nii nik nin nkc nke nkf nki nkk nkn nnc nne nnf nng nni nnk nnn