-ol c-- ccc cce ccf ccl cco cct ccu ce- cec cee cef cel ceo cet ceu cfc cfe cff cfl cfo cft cfu cl- clc cle clf cll clo clt clu co- coc coe cof col coo cot cou ctc cte ctf ctl cto ctt ctu cuc cue cuf cul cuo cut cuu ec- ecc ece ecf ecl eco ect ecu eec eee eef eel eeo eet ef- efc efe eff efl efo eft elc ele elf ell elo elt elu eo- eoc eoe eof eol eoo eot eou etc ete etf etl eto ett etu eu- euc eue euf eul eut fcc fce fcf fcl fco fct fcu fec fee fef fel feo fet feu ffc ffe fff ffl ffo fft ffu flc fle flf fll flo flt flu foc foe fof fol foo fot fou ftc fte ftf ftl fto ftt ftu fue fuf ful fuo fut fuu lcc lce lcf lcl lco lct lcu lec lee lef lel leo let leu lfc lfe lff lfl lfo lft lfu llc lle llf lll llo llt llu loc loe lof lol loo lot lou ltc lte ltf ltl lto ltt ltu luc lue luf lul luo lut luu oc- occ ocf ocl oco oct ocu oec oee oef oel oeo oet of- ofc ofe off ofl ofo oft ofu olc ole olf oll olo olt olu oo- ooc oof ool ooo oot ot- otc ote otf otl oto ott otu ou- ouc oue ouf oul ouo out tcc tce tcf tcl tco tct tcu te- tec tee tef tel teo tet teu tfc tfe tff tfl tfo tft tfu tlc tle tlf tll tlo tlt tlu to- toc toe tof tol too tot tou ttc tte ttf ttl tto ttt ttu tuc tue tuf tul tuo tut tuu ucc uce ucf ucl uco uct ucu uec uee uef uel uet ufc ufe uff ufl ufo uft ufu ulc ule ulf ull ulo ult ulu uoc uoe uol uoo uot utc ute utf utl uto utt utu uuc uue uut uuu