-ol c-- ccc cce ccf ccl ccm cco cct ce- cec cee cef cel cem ceo cet cfc cfe cff cfl cfm cfo cft cl- clc cle clf cll clm clo clt cmc cme cmf cml cmm cmo cmt co- coc coe cof col com coo cot ctc cte ctf ctl ctm cto ctt ec- ecc ece ecf ecl ecm eco ect eec eee eef eel eem eeo eet ef- efc efe eff efl efm efo eft elc ele elf ell elm elo elt em- emc eme emf eml emm emo emt eo- eoc eoe eof eol eom eoo eot etc ete etf etl etm eto ett fcc fce fcf fcl fcm fco fct fec fee fef fel fem feo fet ffc ffe fff ffl ffm ffo fft flc fle flf fll flm flo flt fmc fme fmf fml fmm fmo fmt foc foe fof fol fom foo fot ftc fte ftf ftl ftm fto ftt lcc lce lcf lcl lcm lco lct lec lee lef lel lem leo let lfc lfe lff lfl lfm lfo lft llc lle llf lll llm llo llt lmc lme lmf lml lmm lmo lmt loc loe lof lol lom loo lot ltc lte ltf ltl ltm lto ltt m-f m-o mc- mcc mce mcf mcl mcm mco mct mec mee mef mel mem meo met mfc mfe mff mfl mfm mfo mft mlc mle mlf mll mlm mlo mlt mmc mme mmf mml mmm mmo mmt moc moe mof mol mom moo mot mtc mte mtf mtl mtm mto mtt oc- occ ocf ocl ocm oco oct oec oee oef oel oem oeo oet of- ofc ofe off ofl ofm ofo oft olc ole olf oll olm olo olt om- omc ome omf oml omm omo omt oo- ooc oof ool oom ooo oot ot- otc ote otf otl otm oto ott tcc tce tcf tcl tcm tco tct te- tec tee tef tel tem teo tet tfc tfe tff tfl tfm tfo tft tlc tle tlf tll tlm tlo tlt tmc tme tmf tml tmm tmo tmt to- toc toe tof tol tom too tot ttc tte ttf ttl ttm tto ttt