c-cd cccc ccdc ccdn ccgc ccnc ccoc ccod cdnc cdon cgcc cgcg cnco cndd coco codd cogo con- conc cond cong conn cono cood coon dccc dcgo dcon dddd ddoc dnoc doco dod- dodd dodg dodo dog- dogg dogo donc dond dong donn dono dood doon gc-c gccc gggg gncc gngc gnod gnoo godo gogo gon- gond gong gonn gono good goog goon nccc nccn ncdc ncdn ncnc ncnd ncoc ndcc nddo ndoc ngdc ngon nngn nnnn noco nodo nogg nogo non- nong nonn nono noo- noon nooo occc occn ocon oddd odon odoo ogdc ogod ogog ogon onc- oncd onco ondo ongo onno onod onon oooo