tragi rtagi targi atrgi ratgi artgi trgai rtgai tgrai gtrai rgtai grtai tagri atgri tgari gtari agtri gatri ragti argti rgati grati agrti garti traig rtaig tarig atrig ratig artig triag rtiag tirag itrag ritag irtag tairg atirg tiarg itarg aitrg iatrg raitg aritg riatg iratg airtg iartg trgia rtgia tgria gtria rgtia grtia triga rtiga tirga itrga ritga irtga tgira gtira tigra itgra gitra igtra rgita grita rigta irgta girta igrta tagir atgir tgair gtair agtir gatir taigr atigr tiagr itagr aitgr iatgr tgiar gtiar tigar itgar gitar igtar agitr gaitr aigtr iagtr giatr igatr ragit argit rgait grait agrit garit raigt arigt riagt iragt airgt iargt rgiat griat rigat irgat girat igrat agirt gairt aigrt iagrt giart igart
Note: these 'words' (valid or invalid) are all the permutations of the word tragi. These words are obtained by scrambling the letters in tragi.