sypes yspes spyes psyes ypses pyses syeps yseps seyps esyps yesps eysps speys pseys sepys espys pesys epsys ypess pyess yepss eypss peyss epyss sypse yspse spyse psyse ypsse pysse syspe ysspe ssype ssype ysspe syspe spsye pssye sspye sspye pssye spsye ypsse pysse yspse sypse psyse spyse syesp ysesp seysp esysp yessp eyssp sysep yssep ssyep ssyep yssep sysep sesyp essyp sseyp sseyp essyp sesyp yessp eyssp ysesp syesp esysp seysp spesy psesy sepsy espsy pessy epssy spsey pssey sspey sspey pssey spsey sespy esspy ssepy ssepy esspy sespy pessy epssy psesy spesy espsy sepsy ypess pyess yepss eypss peyss epyss ypses pyses yspes sypes psyes spyes yesps eysps yseps syeps esyps seyps pesys epsys pseys speys espys sepys
Note: these 'words' (valid or invalid) are all the permutations of the word sypes. These words are obtained by scrambling the letters in sypes.