c-- ccc ccg cck ccn ccr cgc cgg cgn cgr ckc cn- cnc cng cnn cnr crc crg crk crn crr gcc gcg gck gcn gcr ggc ggg ggn ggr gkn gnc gnn gnr grc grg grk grn grr kcc kcg kck kcn kcr kgc kkc kkk kkn kkr kn- knc kng knk knn knr krc krg krk krn krr ncc ncg nck ncn ncr ngc ngg ngk ngn nkc nkk nkn nkr nnc nng nnk nnn nrc nrg nrk nrn nrr rcc rcg rcn rcr rgc rgg rgk rgn rgr rkc rkg rkk rnc rng rnn rnr rrc rrg rrk rrn rrr