podex opdex pdoex dpoex odpex dopex poedx opedx peodx epodx oepdx eopdx pdeox dpeox pedox epdox depox edpox odepx doepx oedpx eodpx deopx edopx podxe opdxe pdoxe dpoxe odpxe dopxe poxde opxde pxode xpode oxpde xopde pdxoe dpxoe pxdoe xpdoe dxpoe xdpoe odxpe doxpe oxdpe xodpe dxope xdope poexd opexd peoxd epoxd oepxd eopxd poxed opxed pxoed xpoed oxped xoped pexod epxod pxeod xpeod expod xepod oexpd eoxpd oxepd xoepd exopd xeopd pdexo dpexo pedxo epdxo depxo edpxo pdxeo dpxeo pxdeo xpdeo dxpeo xdpeo pexdo epxdo pxedo xpedo expdo xepdo dexpo edxpo dxepo xdepo exdpo xedpo odexp doexp oedxp eodxp deoxp edoxp odxep doxep oxdep xodep dxoep xdoep oexdp eoxdp oxedp xoedp exodp xeodp dexop edxop dxeop xdeop exdop xedop
Note: these 'words' (valid or invalid) are all the permutations of the word podex. These words are obtained by scrambling the letters in podex.