ilend liend ielnd eilnd leind elind ilned lined inled niled lnied nlied ienld einld ineld nield enild neild lenid elnid lneid nleid enlid nelid iledn liedn ieldn eildn leidn elidn ilden liden idlen dilen ldien dlien iedln eidln ideln dieln ediln deiln ledin eldin ldein dlein edlin delin ilnde linde inlde nilde lnide nlide ildne lidne idlne dilne ldine dline indle nidle idnle dinle ndile dnile lndie nldie ldnie dlnie ndlie dnlie iendl eindl inedl niedl enidl neidl iednl eidnl idenl dienl edinl deinl indel nidel idnel dinel ndiel dniel endil nedil ednil denil ndeil dneil lendi elndi lnedi nledi enldi neldi ledni eldni ldeni dleni edlni delni lndei nldei ldnei dlnei ndlei dnlei endli nedli ednli denli ndeli dneli
Note: these 'words' (valid or invalid) are all the permutations of the word ilend. These words are obtained by scrambling the letters in ilend.