ympes mypes ypmes pymes mpyes pmyes ymeps myeps yemps eymps meyps emyps ypems pyems yepms eypms peyms epyms mpeys pmeys mepys empys pemys epmys ympse mypse ypmse pymse mpyse pmyse ymspe myspe ysmpe sympe msype smype ypsme pysme yspme sypme psyme spyme mpsye pmsye mspye smpye psmye spmye ymesp myesp yemsp eymsp meysp emysp ymsep mysep ysmep symep msyep smyep yesmp eysmp ysemp syemp esymp seymp mesyp emsyp mseyp smeyp esmyp semyp ypesm pyesm yepsm eypsm peysm epysm ypsem pysem yspem sypem psyem spyem yespm eyspm ysepm syepm esypm seypm pesym epsym pseym speym espym sepym mpesy pmesy mepsy empsy pemsy epmsy mpsey pmsey mspey smpey psmey spmey mespy emspy msepy smepy esmpy sempy pesmy epsmy psemy spemy espmy sepmy
Note: these 'words' (valid or invalid) are all the permutations of the word ympes. These words are obtained by scrambling the letters in ympes.