treag rteag terag etrag retag ertag traeg rtaeg tareg atreg rateg arteg tearg etarg taerg aterg eatrg aetrg reatg eratg raetg aretg eartg aertg trega rtega terga etrga retga ertga trgea rtgea tgrea gtrea rgtea grtea tegra etgra tgera gtera egtra getra regta ergta rgeta greta egrta gerta trage rtage targe atrge ratge artge trgae rtgae tgrae gtrae rgtae grtae tagre atgre tgare gtare agtre gatre ragte argte rgate grate agrte garte teagr etagr taegr ategr eatgr aetgr tegar etgar tgear gtear egtar getar tager atger tgaer gtaer agter gater eagtr aegtr egatr geatr agetr gaetr reagt eragt raegt aregt eargt aergt regat ergat rgeat great egrat gerat raget arget rgaet graet agret garet eagrt aegrt egart geart agert gaert
Note: these 'words' (valid or invalid) are all the permutations of the word treag. These words are obtained by scrambling the letters in treag.