cccc ccgc ccgt ccnc ccoc cctc cctt cgcc cgcg cnco cntc coco coct cogo con- conc cong conn cono cont coon coot cotc cotn coto cott ctot cttn gc-c gccc gctc gggg gncc gngc gnoo gogo gon- gong gonn gono goog goon goot goto gott gtco nccc nccn ncct ncnc ncoc nctc ngon ngtn nngn nnnn nnot nntn noco noct nogg nogo nogt non- nong nonn nono nont noo- noon nooo noot not- noto nott ntcc ntto occc occn occt ocon oct- octo ogog ogon onc- onco onct ongo onno onon ont- ontc onto oont oooo oto- otog oton otoo otto tccc tcnn tcon tctc tgcc tgtc tncc toco togo togt tong tonn tono toon toot totc toto tott ttcn tton tttt