sways wsays sawys aswys wasys awsys swyas wsyas sywas yswas wysas ywsas sayws asyws syaws ysaws aysws yasws wayss awyss wyass ywass aywss yawss swasy wsasy sawsy aswsy wassy awssy swsay wssay ssway ssway wssay swsay saswy asswy ssawy ssawy asswy saswy wassy awssy wsasy swasy aswsy sawsy swysa wsysa sywsa yswsa wyssa ywssa swsya wssya sswya sswya wssya swsya syswa ysswa ssywa ssywa ysswa syswa wyssa ywssa wsysa swysa yswsa sywsa saysw asysw syasw ysasw ayssw yassw sasyw assyw ssayw ssayw assyw sasyw sysaw yssaw ssyaw ssyaw yssaw sysaw ayssw yassw asysw saysw ysasw syasw wayss awyss wyass ywass aywss yawss wasys awsys wsays sways aswys sawys wysas ywsas wsyas swyas yswas sywas aysws yasws asyws sayws ysaws syaws
Note: these 'words' (valid or invalid) are all the permutations of the word sways. These words are obtained by scrambling the letters in sways.