dulce udlce dluce lduce uldce ludce ducle udcle dcule cdule ucdle cudle dlcue ldcue dclue cdlue lcdue cldue ulcde lucde uclde culde lcude clude dulec udlec dluec lduec uldec ludec duelc udelc deulc edulc uedlc eudlc dleuc ldeuc deluc edluc leduc elduc uledc luedc ueldc euldc leudc eludc ducel udcel dcuel cduel ucdel cudel duecl udecl deucl educl uedcl eudcl dceul cdeul decul edcul cedul ecdul ucedl cuedl uecdl eucdl ceudl ecudl dlceu ldceu dcleu cdleu lcdeu cldeu dlecu ldecu delcu edlcu ledcu eldcu dcelu cdelu declu edclu cedlu ecdlu lcedu cledu lecdu elcdu celdu ecldu ulced luced ucled culed lcued clued ulecd luecd uelcd eulcd leucd elucd uceld cueld uecld eucld ceuld eculd lceud cleud lecud elcud celud eclud
Note: these 'words' (valid or invalid) are all the permutations of the word dulce. These words are obtained by scrambling the letters in dulce.