gdrta dgrta grdta rgdta drgta rdgta gdtra dgtra gtdra tgdra dtgra tdgra grtda rgtda gtrda tgrda rtgda trgda drtga rdtga dtrga tdrga rtdga trdga gdrat dgrat grdat rgdat drgat rdgat gdart dgart gadrt agdrt dagrt adgrt gradt rgadt gardt agrdt ragdt argdt dragt rdagt dargt adrgt radgt ardgt gdtar dgtar gtdar tgdar dtgar tdgar gdatr dgatr gadtr agdtr dagtr adgtr gtadr tgadr gatdr agtdr tagdr atgdr dtagr tdagr datgr adtgr tadgr atdgr grtad rgtad gtrad tgrad rtgad trgad gratd rgatd gartd agrtd ragtd argtd gtard tgard gatrd agtrd tagrd atgrd rtagd tragd ratgd artgd targd atrgd drtag rdtag dtrag tdrag rtdag trdag dratg rdatg dartg adrtg radtg ardtg dtarg tdarg datrg adtrg tadrg atdrg rtadg tradg ratdg artdg tardg atrdg
Note: these 'words' (valid or invalid) are all the permutations of the word gdrta. These words are obtained by scrambling the letters in gdrta.