peiyx epiyx pieyx ipeyx eipyx iepyx peyix epyix pyeix ypeix eypix yepix piyex ipyex pyiex ypiex iypex yipex eiypx ieypx eyipx yeipx iyepx yiepx peixy epixy piexy ipexy eipxy iepxy pexiy epxiy pxeiy xpeiy expiy xepiy pixey ipxey pxiey xpiey ixpey xipey eixpy iexpy exipy xeipy ixepy xiepy peyxi epyxi pyexi ypexi eypxi yepxi pexyi epxyi pxeyi xpeyi expyi xepyi pyxei ypxei pxyei xpyei yxpei xypei eyxpi yexpi exypi xeypi yxepi xyepi piyxe ipyxe pyixe ypixe iypxe yipxe pixye ipxye pxiye xpiye ixpye xipye pyxie ypxie pxyie xpyie yxpie xypie iyxpe yixpe ixype xiype yxipe xyipe eiyxp ieyxp eyixp yeixp iyexp yiexp eixyp iexyp exiyp xeiyp ixeyp xieyp eyxip yexip exyip xeyip yxeip xyeip iyxep yixep ixyep xiyep yxiep xyiep
Note: these 'words' (valid or invalid) are all the permutations of the word peiyx. These words are obtained by scrambling the letters in peiyx.