teind etind tiend itend eitnd ietnd tenid etnid tneid nteid entid netid tined itned tnied ntied inted nited eintd ientd enitd neitd inetd nietd teidn etidn tiedn itedn eitdn ietdn tedin etdin tdein dtein edtin detin tiden itden tdien dtien idten diten eidtn iedtn editn deitn idetn dietn tendi etndi tnedi ntedi entdi netdi tedni etdni tdeni dteni edtni detni tndei ntdei tdnei dtnei ndtei dntei endti nedti ednti denti ndeti dneti tinde itnde tnide ntide intde nitde tidne itdne tdine dtine idtne ditne tndie ntdie tdnie dtnie ndtie dntie indte nidte idnte dinte ndite dnite eindt iendt enidt neidt inedt niedt eidnt iednt edint deint ident dient endit nedit ednit denit ndeit dneit indet nidet idnet dinet ndiet dniet
Note: these 'words' (valid or invalid) are all the permutations of the word teind. These words are obtained by scrambling the letters in teind.