flity lfity filty iflty lifty ilfty fltiy lftiy ftliy tfliy ltfiy tlfiy fitly iftly ftily tfily itfly tifly litfy iltfy ltify tlify itlfy tilfy fliyt lfiyt filyt iflyt lifyt ilfyt flyit lfyit fylit yflit lyfit ylfit fiylt ifylt fyilt yfilt iyflt yiflt liyft ilyft lyift ylift iylft yilft fltyi lftyi ftlyi tflyi ltfyi tlfyi flyti lfyti fylti yflti lyfti ylfti ftyli tfyli fytli yftli tyfli ytfli ltyfi tlyfi lytfi yltfi tylfi ytlfi fityl iftyl ftiyl tfiyl itfyl tifyl fiytl ifytl fyitl yfitl iyftl yiftl ftyil tfyil fytil yftil tyfil ytfil ityfl tiyfl iytfl yitfl tyifl ytifl lityf iltyf ltiyf tliyf itlyf tilyf liytf ilytf lyitf ylitf iyltf yiltf ltyif tlyif lytif yltif tylif ytlif itylf tiylf iytlf yitlf tyilf ytilf
Note: these 'words' (valid or invalid) are all the permutations of the word flity. These words are obtained by scrambling the letters in flity.