zuppa uzppa zpupa pzupa upzpa puzpa zuppa uzppa zpupa pzupa upzpa puzpa zppua pzpua zppua pzpua ppzua ppzua uppza pupza uppza pupza ppuza ppuza zupap uzpap zpuap pzuap upzap puzap zuapp uzapp zaupp azupp uazpp auzpp zpaup pzaup zapup azpup pazup apzup upazp puazp uapzp aupzp pauzp apuzp zupap uzpap zpuap pzuap upzap puzap zuapp uzapp zaupp azupp uazpp auzpp zpaup pzaup zapup azpup pazup apzup upazp puazp uapzp aupzp pauzp apuzp zppau pzpau zppau pzpau ppzau ppzau zpapu pzapu zappu azppu pazpu apzpu zpapu pzapu zappu azppu pazpu apzpu ppazu ppazu papzu appzu papzu appzu uppaz pupaz uppaz pupaz ppuaz ppuaz upapz puapz uappz auppz paupz apupz upapz puapz uappz auppz paupz apupz ppauz ppauz papuz appuz papuz appuz
Note: these 'words' (valid or invalid) are all the permutations of the word zuppa. These words are obtained by scrambling the letters in zuppa.