c-- ccc ccg ccn cco ccr cgc cgg cgn cgo cgr cgy cn- cnc cng cnn cno cnr cny co- coc cog con coo cor coy crc crg crn cro crr cry cyc cyg cyn cyo cyr gcc gcg gcn gco gcr ggc ggg ggn ggo ggr gnc gnn gno gnr goc gog gon goo gor goy grc grg grn gro grr gry gy- gyn gyo gyr ncc ncg ncn nco ncr ngc ngg ngn ngo nnc nng nnn nno no- noc nog non noo nor noy nrc nrg nrn nro nrr nry nyc nyg nyn nyo nyy oc- occ ocg ocn oco ocr ogc ogg ogn ogo ogy on- onc ong onn ono onr ony oo- ooc oog oon ooo oor or- orc org orn oro orr ory oyo rcc rcg rcn rco rcr rgc rgg rgn rgo rgr rnc rng rnn rno rnr rny roc rog ron roo ror roy rrc rrg rrn rrr ry- ryc ryg ryn ryo ryr ryy ycc yco ycy ygc ygo yng ynn yny yoc yog yon yoo yor yoy yrc yrg yrn yro yyc yyg yyy