zebra ezbra zbera bzera ebzra bezra zerba ezrba zreba rzeba erzba rezba zbrea bzrea zrbea rzbea brzea rbzea ebrza berza erbza rebza breza rbeza zebar ezbar zbear bzear ebzar bezar zeabr ezabr zaebr azebr eazbr aezbr zbaer bzaer zaber azber bazer abzer ebazr beazr eabzr aebzr baezr abezr zerab ezrab zreab rzeab erzab rezab zearb ezarb zaerb azerb eazrb aezrb zraeb rzaeb zareb azreb razeb arzeb erazb reazb earzb aerzb raezb arezb zbrae bzrae zrbae rzbae brzae rbzae zbare bzare zabre azbre bazre abzre zrabe rzabe zarbe azrbe razbe arzbe braze rbaze barze abrze rabze arbze ebraz beraz erbaz rebaz breaz rbeaz ebarz bearz eabrz aebrz baerz aberz erabz reabz earbz aerbz raebz arebz braez rbaez barez abrez rabez arbez
Note: these 'words' (valid or invalid) are all the permutations of the word zebra. These words are obtained by scrambling the letters in zebra.