nelis enlis nleis lneis elnis lenis neils enils niels inels einls ienls nlies lnies niles inles lines ilnes elins leins eilns ielns liens ilens nelsi enlsi nlesi lnesi elnsi lensi nesli ensli nseli sneli esnli senli nlsei lnsei nslei snlei lsnei slnei elsni lesni eslni selni lseni sleni neisl enisl niesl inesl einsl iensl nesil ensil nseil sneil esnil senil nisel insel nsiel sniel isnel sinel eisnl iesnl esinl seinl isenl sienl nlise lnise nilse inlse linse ilnse nlsie lnsie nslie snlie lsnie slnie nisle insle nsile snile isnle sinle lisne ilsne lsine sline islne silne elisn leisn eilsn ielsn liesn ilesn elsin lesin eslin selin lsein slein eisln iesln esiln seiln iseln sieln lisen ilsen lsien slien islen silen
Note: these 'words' (valid or invalid) are all the permutations of the word nelis. These words are obtained by scrambling the letters in nelis.