cccc cccf cccm ccee ccfc ccff ccmc ccmm ccoc ccom cec- cece cecm ceco ceec ceem cef- cefc ceme cemm cfcf cfcm cfco cfmo cfom cmcc cmec cmmc cmoc coce coco cofc cofe coff com- comc come comm como coof coom eccc ecce eccm ecco ecef ecem ecfc eco- eeee eefe eemo eeoc efco efeo emcc emcf emco emme fccf fece feem fefc fefe feff fefo feme femm feof ffcc ffee ffff foce foco fofo fomc fome fomo foof foom mccc mcef mcfc mcmc mec- mecc mece meco meef meem mefe meff mefo memc meme memo meoc mfcc mmcc mmcm mmff mmmc mmmm moco moef mofe moff mofo mome momo mooc mooe o-eo occc oce ocee ocef ocom oec- oecc oeec oeme ofem off- offc offe offo ofme omee omeo omo- omoe omoo ooff oome oooo