cccc cccf ccfc ccff ccgc ccnc ccnf ccoc cfcf cfcn cfco cfgn cfgo cgcc cgcg cgfc cnco coco cofc coff cogo con- conc conf cong conn cono coof coon fccf ffcc ffff foco fofo fogg fogn fogo fong fono foof foon gc-c gccc gccf gcfc gfcf ggfg gggg gncc gngc gnof gnoo goff gogo gon- gong gonn gono goof goog goon nccc nccf nccn ncfc ncnc ncoc nfff nfon ngon nngn nnnn noco nogg nogo non- nong nonn nono noo- noon nooo occc occn ocon off- offc offo ofgo ofno ogog ogon onc- oncf onco ongo onno onon ooff oooo