doura odura duora udora oudra uodra dorua odrua droua rdoua ordua rodua duroa udroa druoa rduoa urdoa rudoa ourda uorda oruda rouda uroda ruoda douar oduar duoar udoar oudar uodar doaur odaur daour adour oadur aodur duaor udaor dauor aduor uador audor ouadr uoadr oaudr aoudr uaodr auodr dorau odrau droau rdoau ordau rodau doaru odaru daoru adoru oadru aodru draou rdaou darou adrou radou ardou oradu roadu oardu aordu raodu arodu durao udrao druao rduao urdao rudao duaro udaro dauro aduro uadro audro drauo rdauo daruo adruo raduo arduo urado ruado uardo aurdo raudo arudo ourad uorad oruad rouad uroad ruoad ouard uoard oaurd aourd uaord auord oraud roaud oarud aorud raoud aroud uraod ruaod uarod aurod rauod aruod
Note: these 'words' (valid or invalid) are all the permutations of the word doura. These words are obtained by scrambling the letters in doura.