spays psays sapys aspys pasys apsys spyas psyas sypas yspas pysas ypsas sayps asyps syaps ysaps aysps yasps payss apyss pyass ypass aypss yapss spasy psasy sapsy aspsy passy apssy spsay pssay sspay sspay pssay spsay saspy asspy ssapy ssapy asspy saspy passy apssy psasy spasy aspsy sapsy spysa psysa sypsa yspsa pyssa ypssa spsya pssya sspya sspya pssya spsya syspa ysspa ssypa ssypa ysspa syspa pyssa ypssa psysa spysa yspsa sypsa saysp asysp syasp ysasp ayssp yassp sasyp assyp ssayp ssayp assyp sasyp sysap yssap ssyap ssyap yssap sysap ayssp yassp asysp saysp ysasp syasp payss apyss pyass ypass aypss yapss pasys apsys psays spays aspys sapys pysas ypsas psyas spyas yspas sypas aysps yasps asyps sayps ysaps syaps
Note: these 'words' (valid or invalid) are all the permutations of the word spays. These words are obtained by scrambling the letters in spays.