-ol c-- ccc cce ccl cco ccs ccu ce- cec cee cel ceo ces ceu cl- clc cle cll clo cls clu co- coc coe col coo cos cou csc cse csl cso css csu cuc cue cul cuo cus cuu ec- ecc ece ecl eco ecs ecu eec eee eel eeo ees elc ele ell elo els elu eo- eoc eoe eol eoo eos eou es- esc ese esl eso ess esu eu- euc eue eul eus lcc lce lcl lco lcs lcu lec lee lel leo les leu llc lle lll llo lls llu loc loe lol loo los lou lsc lse lsl lso lss lsu luc lue lul luo lus luu oc- occ ocl oco ocs ocu oec oee oel oeo oes olc ole oll olo ols olu oo- ooc ool ooo oos os- osc ose osl oso oss osu ou- ouc oue oul ouo ous scc sce scl sco scs scu se- sec see sel seo ses seu slc sle sll slo sls slu soc soe sol soo sos sou ss- ssc sse ssl sso sss ssu suc sue sul suo sus suu ucc uce ucl uco ucs ucu uec uee uel ues ulc ule ull ulo uls ulu uoc uoe uol uoo uos usc use usl uso uss usu uuc uue uus uuu