-ol c-- ccc ccf ccl cco cct ccu cfc cff cfl cfo cft cfu cl- clc clf cll clo clt clu co- coc cof col coo cot cou ctc ctf ctl cto ctt ctu cuc cuf cul cuo cut cuu fcc fcf fcl fco fct fcu ffc fff ffl ffo fft ffu flc flf fll flo flt flu foc fof fol foo fot fou ftc ftf ftl fto ftt ftu fuf ful fuo fut fuu lcc lcf lcl lco lct lcu lfc lff lfl lfo lft lfu llc llf lll llo llt llu loc lof lol loo lot lou ltc ltf ltl lto ltt ltu luc luf lul luo lut luu oc- occ ocf ocl oco oct ocu of- ofc off ofl ofo oft ofu olc olf oll olo olt olu oo- ooc oof ool ooo oot ot- otc otf otl oto ott otu ou- ouc ouf oul ouo out tcc tcf tcl tco tct tcu tfc tff tfl tfo tft tfu tlc tlf tll tlo tlt tlu to- toc tof tol too tot tou ttc ttf ttl tto ttt ttu tuc tuf tul tuo tut tuu ucc ucf ucl uco uct ucu ufc uff ufl ufo uft ufu ulc ulf ull ulo ult ulu uoc uol uoo uot utc utf utl uto utt utu uuc uut uuu