c-- ccc ccg ccn cco ccr ccz cgc cgg cgn cgo cgr cgy cn- cnc cng cnn cno cnr cny co- coc cog con coo cor coy coz crc crg crn cro crr cry crz cyc cyg cyn cyo cyr cz- czc czo gcc gcg gcn gco gcr ggc ggg ggn ggo ggr ggz gnc gnn gno gnr goc gog gon goo gor goy goz grc grg grn gro grr gry gy- gyn gyo gyr gzo gzr ncc ncg ncn nco ncr ngc ngg ngn ngo nnc nng nnn nno nnz no- noc nog non noo nor noy noz nrc nrg nrn nro nrr nry nrz nyc nyg nyn nyo nyy nzg nzo nzz oc- occ ocg ocn oco ocr ocz 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 orz oyo ozo ozz rcc rcg rcn rco rcr rgc rgg rgn rgo rgr rnc rng rnn rno rnr rny rnz roc rog ron roo ror roy roz rrc rrg rrn rrr ry- ryc ryg ryn ryo ryr ryy ryz rzo rzy ycc yco ycy ygc ygo yng ynn yny yoc yog yon yoo yor yoy yrc yrg yrn yro yyc yyg yyy yyz yzr yzy z-g zco zgg znc znn zno zo- zoc zog zon zoo zor zro zzr zzy zzz