c-- ccc cck ccl ccn ccu ckc cl- clc clk cll cln clu cn- cnc cnl cnn cnu cuc cuk cul cun cuu kcc kck kcl kcn kcu kkc kkk kkl kkn kku kl- klc klu kn- knc knk knl knn knu kuc kuk kul kun kuu lcc lck lcl lcn lcu lkl llc llk lll lln llu lnc lnk lnl lnn lnu luc luk lul lun luu ncc nck ncl ncn ncu nkc nkk nkn nku nlc nlk nll nln nlu nnc nnk nnl nnn nnu nuc nuk nul nun nuu ucc uck ucl ucn ucu ukc ukk ukl ukn uku ulc ulk ull uln ulu un- unc unk unl unn unu uuc uun uuu