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