napoo anpoo npaoo pnaoo apnoo panoo naopo anopo noapo onapo aonpo oanpo npoao pnoao nopao onpao ponao opnao apono paono aopno oapno poano opano napoo anpoo npaoo pnaoo apnoo panoo naopo anopo noapo onapo aonpo oanpo npoao pnoao nopao onpao ponao opnao apono paono aopno oapno poano opano naoop anoop noaop onaop aonop oanop naoop anoop noaop onaop aonop oanop nooap onoap nooap onoap oonap oonap aoonp oaonp aoonp oaonp ooanp ooanp npooa pnooa nopoa onpoa ponoa opnoa npooa pnooa nopoa onpoa ponoa opnoa noopa onopa noopa onopa oonpa oonpa poona opona poona opona oopna oopna apoon paoon aopon oapon poaon opaon apoon paoon aopon oapon poaon opaon aoopn oaopn aoopn oaopn ooapn ooapn pooan opoan pooan opoan oopan oopan
Note: these 'words' (valid or invalid) are all the permutations of the word napoo. These words are obtained by scrambling the letters in napoo.