fidly ifdly fdily dfily idfly difly fildy ifldy flidy lfidy ilfdy lifdy fdliy dfliy fldiy lfdiy dlfiy ldfiy idlfy dilfy ildfy lidfy dlify ldify fidyl ifdyl fdiyl dfiyl idfyl difyl fiydl ifydl fyidl yfidl iyfdl yifdl fdyil dfyil fydil yfdil dyfil ydfil idyfl diyfl iydfl yidfl dyifl ydifl filyd iflyd fliyd lfiyd ilfyd lifyd fiyld ifyld fyild yfild iyfld yifld flyid lfyid fylid yflid lyfid ylfid ilyfd liyfd iylfd yilfd lyifd ylifd fdlyi dflyi fldyi lfdyi dlfyi ldfyi fdyli dfyli fydli yfdli dyfli ydfli flydi lfydi fyldi yfldi lyfdi ylfdi dlyfi ldyfi dylfi ydlfi lydfi yldfi idlyf dilyf ildyf lidyf dliyf ldiyf idylf diylf iydlf yidlf dyilf ydilf ilydf liydf iyldf yildf lyidf ylidf dlyif ldyif dylif ydlif lydif yldif
Note: these 'words' (valid or invalid) are all the permutations of the word fidly. These words are obtained by scrambling the letters in fidly.