cccc cccl ccgc ccgt cclc cclg ccnc ccoc cctc cctl cctt cgcc cgcg cgtl clog clon cloo clot cltc cnco cntc coco coct cogo col- coll coln colo colt con- conc cong conn cono cont cool coon coot cotc cotn coto cott ctlg ctol ctot cttn gc-c gccc gclc gctc ggcl gggg glcc glog glot gncc gngc gnoo gogo goll golo golt gon- gong gonn gono goog gool goon goot gotl goto gott gtco lccc lctl lcto lgtn llcc llgc lllc llll lloc lloo lntc locc locn loco log- logo loll lolo long lono lont looc lool loon loot lotl loto lott ltcc ltcg ltng ltnt lttc nccc nccn ncct nclc ncln ncnc ncoc nctc ngol ngon ngtn nlcc nlgn nngn nnnn nnot nntn nocl noco noct nogg nogo nogt noll nolo nolt non- nong nonn nono nont noo- nool noon nooo noot not- noto nott ntcc ntto occc occn occt oclc ocon oct- octo ognl ogog ogon olcc olgc ollo olog olon olot onc- onco onct ongo onno onon ont- ontc onto oolo oont oooo otcl oto- otog oton otoo otto tccc tcnn tcon tctc tgcc tgtc tlco tlgc tlon tncc toco togo togt tol- toll tolo tolt tong tonn tono tool toon toot totc toto tott ttcn tton tttt