c-- ccc ccg ccn cco cgc cgg cgn cgo cgy cn- cnc cng cnn cno cny co- coc cog con coo coy cyc cyg cyn cyo gcc gcg gcn gco ggc ggg ggn ggo gnc gnn gno goc gog gon goo goy gy- gyn gyo ncc ncg ncn nco ngc ngg ngn ngo nnc nng nnn nno no- noc nog non noo noy nyc nyg nyn nyo nyy oc- occ ocg ocn oco ogc ogg ogn ogo ogy on- onc ong onn ono ony oo- ooc oog oon ooo oyo ycc yco ycy ygc ygo yng ynn yny yoc yog yon yoo yoy yyc yyg yyy