-ol c-- ccc cce ccf ccl ccm cco ccx ce- cec cee cef cel cem ceo cex cfc cfe cff cfl cfm cfo cfx cl- clc cle clf cll clm clo clx cmc cme cmf cml cmm cmo cmx co- coc coe cof col com coo cox cxc cxf cxl cxo cxx ec- ecc ece ecf ecl ecm eco ecx eec eee eef eel eem eeo eex ef- efc efe eff efl efm efo efx elc ele elf ell elm elo elx em- emc eme emf eml emm emo emx eo- eoc eoe eof eol eom eoo ex- exc exe exl exo exx fcc fce fcf fcl fcm fco fcx fec fee fef fel fem feo fex ffc ffe fff ffl ffm ffo ffx flc fle flf fll flm flo flx fmc fme fmf fml fmm fmo fmx foc foe fof fol fom foo fox fxe fxm fxx lcc lce lcf lcl lcm lco lcx lec lee lef lel lem leo lex lfc lfe lff lfl lfm lfo lfx llc lle llf lll llm llo lmc lme lmf lml lmm lmo loc loe lof lol lom loo lox lxc lxo lxx m-f m-o mc- mcc mce mcf mcl mcm mco mcx mec mee mef mel mem meo mex mfc mfe mff mfl mfm mfo mlc mle mlf mll mlm mlo mlx mmc mme mmf mml mmm mmo mmx moc moe mof mol mom moo mox mxc mxl oc- occ ocf ocl ocm oco ocx oec oee oef oel oem oeo oex of- ofc ofe off ofl ofm ofo ofx olc ole olf oll olm olo om- omc ome omf oml omm omo omx oo- ooc oof ool oom ooo oox ox- oxc oxf oxo oxx xcf xcl xcx xee xel xem xex xfe xfl xfm xfx xlf xlm xmc xmf xml xmm xmo xmx xoc xof xom xoo xox xxl xxo xxx