xbade bxade xabde axbde baxde abxde xbdae bxdae xdbae dxbae bdxae dbxae xadbe axdbe xdabe dxabe adxbe daxbe badxe abdxe bdaxe dbaxe adbxe dabxe xbaed bxaed xabed axbed baxed abxed xbead bxead xebad exbad bexad ebxad xaebd axebd xeabd exabd aexbd eaxbd baexd abexd beaxd ebaxd aebxd eabxd xbdea bxdea xdbea dxbea bdxea dbxea xbeda bxeda xebda exbda bexda ebxda xdeba dxeba xedba exdba dexba edxba bdexa dbexa bedxa ebdxa debxa edbxa xadeb axdeb xdaeb dxaeb adxeb daxeb xaedb axedb xeadb exadb aexdb eaxdb xdeab dxeab xedab exdab dexab edxab adexb daexb aedxb eadxb deaxb edaxb badex abdex bdaex dbaex adbex dabex baedx abedx beadx ebadx aebdx eabdx bdeax dbeax bedax ebdax debax edbax adebx daebx aedbx eadbx deabx edabx
Note: these 'words' (valid or invalid) are all the permutations of the word xbade. These words are obtained by scrambling the letters in xbade.