-ol c-- ccc ccl cco ccs ccu cl- clc cll clo cls clu co- coc col coo cos cou csc csl cso css csu cuc cul cuo cus cuu lcc lcl lco lcs lcu llc lll llo lls llu loc lol loo los lou lsc lsl lso lss lsu luc lul luo lus luu oc- occ ocl oco ocs ocu olc oll olo ols olu oo- ooc ool ooo oos os- osc osl oso oss osu ou- ouc oul ouo ous scc scl sco scs scu slc sll slo sls slu soc sol soo sos sou ss- ssc ssl sso sss ssu suc sul suo sus suu ucc ucl uco ucs ucu ulc ull ulo uls ulu uoc uol uoo uos usc usl uso uss usu uuc uus uuu