rebid erbid rbeid breid ebrid berid reibd eribd riebd irebd eirbd ierbd rbied bried ribed irbed bired ibred ebird beird eibrd iebrd bierd iberd rebdi erbdi rbedi bredi ebrdi berdi redbi erdbi rdebi drebi edrbi derbi rbdei brdei rdbei drbei bdrei dbrei ebdri bedri edbri debri bderi dberi reidb eridb riedb iredb eirdb ierdb redib erdib rdeib dreib edrib derib rideb irdeb rdieb drieb idreb direb eidrb iedrb edirb deirb iderb dierb rbide bride ribde irbde birde ibrde rbdie brdie rdbie drbie bdrie dbrie ridbe irdbe rdibe dribe idrbe dirbe bidre ibdre bdire dbire idbre dibre ebidr beidr eibdr iebdr biedr ibedr ebdir bedir edbir debir bdeir dbeir eidbr iedbr edibr deibr idebr diebr bider ibder bdier dbier idber diber
Note: these 'words' (valid or invalid) are all the permutations of the word rebid. These words are obtained by scrambling the letters in rebid.