sexup esxup sxeup xseup exsup xesup seuxp esuxp suexp usexp eusxp uesxp sxuep xsuep suxep usxep xusep uxsep exusp xeusp euxsp uexsp xuesp uxesp sexpu esxpu sxepu xsepu exspu xespu sepxu espxu spexu psexu epsxu pesxu sxpeu xspeu spxeu psxeu xpseu pxseu expsu xepsu epxsu pexsu xpesu pxesu seupx esupx suepx usepx euspx uespx sepux espux speux pseux epsux pesux supex uspex spuex psuex upsex pusex eupsx uepsx epusx peusx upesx puesx sxupe xsupe suxpe usxpe xuspe uxspe sxpue xspue spxue psxue xpsue pxsue supxe uspxe spuxe psuxe upsxe pusxe xupse uxpse xpuse pxuse upxse puxse exups xeups euxps uexps xueps uxeps expus xepus epxus pexus xpeus pxeus eupxs uepxs epuxs peuxs upexs puexs xupes uxpes xpues pxues upxes puxes
Note: these 'words' (valid or invalid) are all the permutations of the word sexup. These words are obtained by scrambling the letters in sexup.