-ol c-- ccc cce cck ccl cco ccu ce- cec cee cek cel ceo ceu ckc cko cl- clc cle clk cll clo clu co- coc coe cok col coo cou cuc cue cuk cul cuo cuu ec- ecc ece eck ecl eco ecu eec eee eek eel eeo ekc eke ekl eko eku elc ele elk ell elo elu eo- eoc eoe eok eol eoo eou eu- euc eue eul kcc kce kck kcl kcu ke- kec kee kek kel keo kkc kke kkk kkl kku kl- klc klo klu koc koe kok kol koo kou kuc kue kuk kul kuu lcc lce lck lcl lco lcu lec lee lek lel leo leu lkl llc lle llk lll llo llu loc loe lok lol loo lou luc lue luk lul luo luu oc- occ ock ocl oco ocu oec oee oel oeo okc oke okk okl oko oku olc ole olk oll olo olu oo- ooc ook ool ooo ou- ouc oue ouk oul ouo ucc uce uck ucl uco ucu uec uee uel ukc uke ukk ukl uku ulc ule ulk ull ulo ulu uoc uoe uok uol uoo uuc uue uuu