tewel etwel tweel wteel ewtel wetel teewl etewl teewl etewl eetwl eetwl tweel wteel tewel etwel wetel ewtel ewetl weetl eewtl eewtl weetl ewetl tewle etwle twele wtele ewtle wetle telwe etlwe tlewe ltewe eltwe letwe twlee wtlee tlwee ltwee wltee lwtee ewlte welte elwte lewte wlete lwete teelw etelw teelw etelw eetlw eetlw telew etlew tleew lteew eltew letew telew etlew tleew lteew eltew letew eeltw eeltw eletw leetw eletw leetw twele wtele tewle etwle wetle ewtle twlee wtlee tlwee ltwee wltee lwtee telwe etlwe tlewe ltewe eltwe letwe welte ewlte wlete lwete elwte lewte ewelt weelt eewlt eewlt weelt ewelt ewlet welet elwet lewet wleet lweet eelwt eelwt elewt leewt elewt leewt welet ewlet wleet lweet elwet lewet
Note: these 'words' (valid or invalid) are all the permutations of the word tewel. These words are obtained by scrambling the letters in tewel.