yapps aypps ypaps pyaps apyps payps yapps aypps ypaps pyaps apyps payps yppas pypas yppas pypas ppyas ppyas appys papys appys papys ppays ppays yapsp aypsp ypasp pyasp apysp paysp yaspp ayspp ysapp syapp asypp saypp ypsap pysap yspap sypap psyap spyap apsyp pasyp aspyp sapyp psayp spayp yapsp aypsp ypasp pyasp apysp paysp yaspp ayspp ysapp syapp asypp saypp ypsap pysap yspap sypap psyap spyap apsyp pasyp aspyp sapyp psayp spayp yppsa pypsa yppsa pypsa ppysa ppysa ypspa pyspa ysppa syppa psypa spypa ypspa pyspa ysppa syppa psypa spypa ppsya ppsya pspya sppya pspya sppya appsy papsy appsy papsy ppasy ppasy apspy paspy asppy sappy psapy spapy apspy paspy asppy sappy psapy spapy ppsay ppsay pspay sppay pspay sppay
Note: these 'words' (valid or invalid) are all the permutations of the word yapps. These words are obtained by scrambling the letters in yapps.