tuple utple tpule ptule uptle putle tulpe utlpe tlupe ltupe ultpe lutpe tplue ptlue tlpue ltpue pltue lptue uplte pulte ulpte lupte plute lpute tupel utpel tpuel ptuel uptel putel tuepl utepl teupl etupl uetpl eutpl tpeul pteul tepul etpul petul eptul upetl puetl ueptl euptl peutl eputl tulep utlep tluep ltuep ultep lutep tuelp utelp teulp etulp uetlp eutlp tleup lteup telup etlup letup eltup uletp luetp ueltp eultp leutp elutp tpleu ptleu tlpeu ltpeu plteu lpteu tpelu ptelu teplu etplu petlu eptlu tlepu ltepu telpu etlpu letpu eltpu pletu lpetu peltu epltu leptu elptu uplet pulet ulpet lupet pluet lpuet upelt puelt ueplt euplt peult epult ulept luept uelpt eulpt leupt elupt pleut lpeut pelut eplut leput elput
Note: these 'words' (valid or invalid) are all the permutations of the word tuple. These words are obtained by scrambling the letters in tuple.