tendu etndu tnedu ntedu entdu netdu tednu etdnu tdenu dtenu edtnu detnu tndeu ntdeu tdneu dtneu ndteu dnteu endtu nedtu edntu dentu ndetu dnetu tenud etnud tneud nteud entud netud teund etund tuend utend eutnd uetnd tnued ntued tuned utned nuted unted enutd neutd euntd uentd nuetd unetd tedun etdun tdeun dteun edtun detun teudn etudn tuedn utedn eutdn uetdn tduen dtuen tuden utden duten udten edutn deutn eudtn uedtn duetn udetn tndue ntdue tdnue dtnue ndtue dntue tnude ntude tunde utnde nutde untde tdune dtune tudne utdne dutne udtne ndute dnute nudte undte dunte udnte endut nedut ednut denut ndeut dneut enudt neudt eundt uendt nuedt unedt edunt deunt eudnt uednt duent udent nduet dnuet nudet undet dunet udnet
Note: these 'words' (valid or invalid) are all the permutations of the word tendu. These words are obtained by scrambling the letters in tendu.