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