-ic c-- ccc ccg cci cck ccz cgc cgg cgi cgy ci- cic cig cii cik ckc cki cky cyc cyg cyk cz- czc czk gcc gcg gci gck ggc ggg ggi ggz gic gig gii gik giy giz gy- icc icg ici ick icy icz igc igg igi igk igy iic iii ikc iki ikk iyc iyy izi izy izz k-z kcc kcg kci kck kgc kgi kgy kic kig kii kik kiz kkc kki kkk kky kyc kyz kzy ycc yci ycy ygc yig yii yiz yki ykk yyc yyg yyy yyz yzy z-g zgg zgi zig zik ziz zzy zzz