fyles yfles flyes lfyes ylfes lyfes fyels yfels feyls efyls yefls eyfls fleys lfeys felys eflys lefys elfys ylefs lyefs yelfs eylfs leyfs elyfs fylse yflse flyse lfyse ylfse lyfse fysle yfsle fsyle sfyle ysfle syfle flsye lfsye fslye sflye lsfye slfye ylsfe lysfe yslfe sylfe lsyfe slyfe fyesl yfesl feysl efysl yefsl eyfsl fysel yfsel fsyel sfyel ysfel syfel fesyl efsyl fseyl sfeyl esfyl sefyl yesfl eysfl ysefl syefl esyfl seyfl flesy lfesy felsy eflsy lefsy elfsy flsey lfsey fsley sfley lsfey slfey fesly efsly fsely sfely esfly sefly lesfy elsfy lsefy slefy eslfy selfy ylesf lyesf yelsf eylsf leysf elysf ylsef lysef yslef sylef lsyef slyef yeslf eyslf yself syelf esylf seylf lesyf elsyf lseyf sleyf eslyf selyf
Note: these 'words' (valid or invalid) are all the permutations of the word fyles. These words are obtained by scrambling the letters in fyles.