flays lfays falys aflys lafys alfys flyas lfyas fylas yflas lyfas ylfas fayls afyls fyals yfals ayfls yafls layfs alyfs lyafs ylafs aylfs yalfs flasy lfasy falsy aflsy lafsy alfsy flsay lfsay fslay sflay lsfay slfay fasly afsly fsaly sfaly asfly safly lasfy alsfy lsafy slafy aslfy salfy flysa lfysa fylsa yflsa lyfsa ylfsa flsya lfsya fslya sflya lsfya slfya fysla yfsla fsyla sfyla ysfla syfla lysfa ylsfa lsyfa slyfa yslfa sylfa faysl afysl fyasl yfasl ayfsl yafsl fasyl afsyl fsayl sfayl asfyl safyl fysal yfsal fsyal sfyal ysfal syfal aysfl yasfl asyfl sayfl ysafl syafl laysf alysf lyasf ylasf aylsf yalsf lasyf alsyf lsayf slayf aslyf salyf lysaf ylsaf lsyaf slyaf yslaf sylaf ayslf yaslf asylf saylf ysalf syalf
Note: these 'words' (valid or invalid) are all the permutations of the word flays. These words are obtained by scrambling the letters in flays.