apays paays aapys aapys paays apays apyas payas aypas yapas pyaas ypaas aayps aayps ayaps yaaps ayaps yaaps payas apyas pyaas ypaas aypas yapas apasy paasy aapsy aapsy paasy apasy apsay pasay aspay sapay psaay spaay aaspy aaspy asapy saapy asapy saapy pasay apsay psaay spaay aspay sapay apysa paysa aypsa yapsa pyasa ypasa apsya pasya aspya sapya psaya spaya ayspa yaspa asypa saypa ysapa syapa pysaa ypsaa psyaa spyaa yspaa sypaa aaysp aaysp ayasp yaasp ayasp yaasp aasyp aasyp asayp saayp asayp saayp aysap yasap asyap sayap ysaap syaap aysap yasap asyap sayap ysaap syaap paysa apysa pyasa ypasa aypsa yapsa pasya apsya psaya spaya aspya sapya pysaa ypsaa psyaa spyaa yspaa sypaa ayspa yaspa asypa saypa ysapa syapa
Note: these 'words' (valid or invalid) are all the permutations of the word apays. These words are obtained by scrambling the letters in apays.