pedal epdal pdeal dpeal edpal depal peadl epadl paedl apedl eapdl aepdl pdael dpael padel apdel dapel adpel edapl deapl eadpl aedpl daepl adepl pedla epdla pdela dpela edpla depla pelda eplda pleda lpeda elpda lepda pdlea dplea pldea lpdea dlpea ldpea edlpa delpa eldpa ledpa dlepa ldepa peald epald paeld apeld eapld aepld pelad eplad plead lpead elpad lepad paled apled plaed lpaed alped laped ealpd aelpd elapd leapd alepd laepd pdale dpale padle apdle daple adple pdlae dplae pldae lpdae dlpae ldpae palde aplde plade lpade alpde lapde dalpe adlpe dlape ldape aldpe ladpe edalp dealp eadlp aedlp daelp adelp edlap delap eldap ledap dleap ldeap ealdp aeldp eladp leadp aledp laedp dalep adlep dlaep ldaep aldep ladep
Note: these 'words' (valid or invalid) are all the permutations of the word pedal. These words are obtained by scrambling the letters in pedal.