-ol c-- ccc cce ccl cco ccs cct ccu ce- cec cee cel ceo ces cet ceu cl- clc cle cll clo cls clt clu co- coc coe col coo cos cot cou csc cse csl cso css cst csu ctc cte ctl cto cts ctt ctu cuc cue cul cuo cus cut cuu ec- ecc ece ecl eco ecs ect ecu eec eee eel eeo ees eet elc ele ell elo els elt elu eo- eoc eoe eol eoo eos eot eou es- esc ese esl eso ess est esu etc ete etl eto ets ett etu eu- euc eue eul eus eut lcc lce lcl lco lcs lct lcu lec lee lel leo les let leu llc lle lll llo lls llt llu loc loe lol loo los lot lou lsc lse lsl lso lss lst lsu ltc lte ltl lto lts ltt ltu luc lue lul luo lus lut luu oc- occ ocl oco ocs oct ocu oec oee oel oeo oes oet olc ole oll olo ols olt olu oo- ooc ool ooo oos oot os- osc ose osl oso oss ost osu ot- otc ote otl oto ots ott otu ou- ouc oue oul ouo ous out scc sce scl sco scs sct scu se- sec see sel seo ses set seu slc sle sll slo sls slt slu soc soe sol soo sos sot sou ss- ssc sse ssl sso sss sst ssu stc ste stl sto sts stt stu suc sue sul suo sus sut suu tcc tce tcl tco tcs tct tcu te- tec tee tel teo tes tet teu tlc tle tll tlo tls tlt tlu to- toc toe tol too tos tot tou tsc tse tsl tso tss tst tsu ttc tte ttl tto tts ttt ttu tuc tue tul tuo tus tut tuu ucc uce ucl uco ucs uct ucu uec uee uel ues uet ulc ule ull ulo uls ult ulu uoc uoe uol uoo uos uot usc use usl uso uss ust usu utc ute utl uto uts utt utu uuc uue uus uut uuu