-ol c-- ccc cck ccl cco ccs ccu ckc cko cks cl- clc clk cll clo cls clu co- coc cok col coo cos cou csc csk csl cso css csu cuc cuk cul cuo cus cuu kcc kck kcl kcs kcu kkc kkk kkl kks kku kl- klc klo kls klu koc kok kol koo kos kou ksc ksk ksl kso kss ksu kuc kuk kul kus kuu lcc lck lcl lco lcs lcu lkl lks llc llk lll llo lls llu loc lok lol loo los lou lsc lsk lsl lso lss lsu luc luk lul luo lus luu oc- occ ock ocl oco ocs ocu okc okk okl oko oks oku olc olk oll olo ols olu oo- ooc ook ool ooo oos os- osc osk osl oso oss osu ou- ouc ouk oul ouo ous scc sck scl sco scs scu sk- skc skk skl sko sks sku slc slk sll slo sls slu soc sok sol soo sos sou ss- ssc ssk ssl sso sss ssu suc suk sul suo sus suu ucc uck ucl uco ucs ucu ukc ukk ukl uku ulc ulk ull ulo uls ulu uoc uok uol uoo uos usc usk usl uso uss usu uuc uus uuu