fired ifred fried rfied irfed rifed fierd iferd feird efird iefrd eifrd freid rfeid ferid efrid refid erfid irefd riefd ierfd eirfd reifd erifd firde ifrde fride rfide irfde rifde fidre ifdre fdire dfire idfre difre frdie rfdie fdrie dfrie rdfie drfie irdfe ridfe idrfe dirfe rdife drife fiedr ifedr feidr efidr iefdr eifdr fider ifder fdier dfier idfer difer fedir efdir fdeir dfeir edfir defir iedfr eidfr idefr diefr edifr deifr fredi rfedi ferdi efrdi refdi erfdi frdei rfdei fdrei dfrei rdfei drfei fedri efdri fderi dferi edfri defri redfi erdfi rdefi drefi edrfi derfi iredf riedf ierdf eirdf reidf eridf irdef ridef idref diref rdief drief iedrf eidrf iderf dierf edirf deirf redif erdif rdeif dreif edrif derif
Note: these 'words' (valid or invalid) are all the permutations of the word fired. These words are obtained by scrambling the letters in fired.