-ic bbb bbc bbg bbi bbn bcb bcc bcg bci bcn bgb bgc bgg bgi bgn bi- bib bic big bii bin bnb bnc bng bni bnn c-- cbb cbc cbg cbi cbn ccb ccc ccg cci ccn cgb cgc cgg cgi cgn ci- cib cic cig cii cin cn- cnb cnc cng cni cnn gbc gbg gbi gbn gcb gcc gcg gci gcn ggb ggc ggg ggi ggn gib gic gig gii gin gnb gnc gni gnn ibb ibc ibg ibi ibn icb icc icg ici icn igb igc igg igi ign iib iic iii iin in- inb inc ing ini inn n-i nbb nbc nbg nbi nbn ncb ncc ncg nci ncn ngb ngc ngg ngi ngn nib nic nig nii nin nnb nnc nng nni nnn