-ly -ol c-- ccc ccf cck ccl cco cfc cff cfk cfl cfo ckc cko cky cl- clc clf clk cll clo cly co- coc cof cok col coo coy cyc cyf cyk cyl cyo fcc fcf fck fcl fco fcy ffc fff ffk ffl ffo ffy fkc fkf fkk fkl flc flf fll flo fly foc fof fok fol foo foy fy- fyc fyk fyo kcc kck kcl kfc kff kfo kkc kkk kkl kky kl- klc klf klo kly koc kof kok kol koo koy kyc kyl kyo lcc lcf lck lcl lco lcy lfc lff lfk lfl lfo lkl lky llc llf llk lll llo lly loc lof lok lol loo loy lyc lyf lyk lyl lyo oc- occ ocf ock ocl oco of- ofc off ofl ofo okc okk okl oko olc olf olk oll olo oly oo- ooc oof ook ool ooo oyl oyo ycc ycf ycl yco ycy yfc yff ykk ylc ylk yll yly yoc yof yok yol yoo yoy yyc yyf yyy