fluty lfuty fulty uflty lufty ulfty fltuy lftuy ftluy tfluy ltfuy tlfuy futly uftly ftuly tfuly utfly tufly lutfy ultfy ltufy tlufy utlfy tulfy fluyt lfuyt fulyt uflyt lufyt ulfyt flyut lfyut fylut yflut lyfut ylfut fuylt ufylt fyult yfult uyflt yuflt luyft ulyft lyuft yluft uylft yulft fltyu lftyu ftlyu tflyu ltfyu tlfyu flytu lfytu fyltu yfltu lyftu ylftu ftylu tfylu fytlu yftlu tyflu ytflu ltyfu tlyfu lytfu yltfu tylfu ytlfu futyl uftyl ftuyl tfuyl utfyl tufyl fuytl ufytl fyutl yfutl uyftl yuftl ftyul tfyul fytul yftul tyful ytful utyfl tuyfl uytfl yutfl tyufl ytufl lutyf ultyf ltuyf tluyf utlyf tulyf luytf ulytf lyutf ylutf uyltf yultf ltyuf tlyuf lytuf yltuf tyluf ytluf utylf tuylf uytlf yutlf tyulf ytulf
Note: these 'words' (valid or invalid) are all the permutations of the word fluty. These words are obtained by scrambling the letters in fluty.