pappy apppy ppapy ppapy apppy pappy pappy apppy ppapy ppapy apppy pappy pppay pppay pppay pppay pppay pppay apppy pappy apppy pappy ppapy ppapy papyp appyp ppayp ppayp appyp papyp paypp apypp pyapp ypapp ayppp yappp ppyap ppyap pypap yppap pypap yppap apypp paypp ayppp yappp pyapp ypapp papyp appyp ppayp ppayp appyp papyp paypp apypp pyapp ypapp ayppp yappp ppyap ppyap pypap yppap pypap yppap apypp paypp ayppp yappp pyapp ypapp pppya pppya pppya pppya pppya pppya ppypa ppypa pyppa ypppa pyppa ypppa ppypa ppypa pyppa ypppa pyppa ypppa ppypa ppypa pyppa ypppa pyppa ypppa appyp papyp appyp papyp ppayp ppayp apypp paypp ayppp yappp pyapp ypapp apypp paypp ayppp yappp pyapp ypapp ppyap ppyap pypap yppap pypap yppap
Note: these 'words' (valid or invalid) are all the permutations of the word pappy. These words are obtained by scrambling the letters in pappy.