cccc cccu ccgc cchr ccnc ccnr ccnu ccrc ccrg ccuc cgcc cgcg chch chgn chnc chnr chrc chrn chrr chug chun chur cnrc cnrr crcc crcr crug crun cucc cucn curn curr gc-c gccc gcrg gggg gghg ggrn ghug gncc gngc gnrc gnrr grcc grrr grug grun grur guch gugg gugh gugu guhr gung gunn gurg gurh gurn gurr guru hccc hcch hcgh hcng hggc hhgg hhhh hrng hrrc hrun huch hucu hugg hugh huhn huhu hunc hung hunh hurn hurr huru nccc nccn nccr nccu ncgr nchc ncnc ncrc ngur nguu nhcc nhnn nhrc nngn nnnn nrrc nuch nucu nunc nung nunn nurc nurn nurr nuru rccc rcgc rcnr rcrg rhcg rhug rhun rrrr rrun ruch rugg rugh ruhh ruhn ruhr runc rung runn rurc ruru ruun ucrc ugcc ugcg ugur uguu uhuh uncc uncg unch ungu urch urgh urgu urrh urun urur uuuu