rutty urtty rtuty truty utrty turty rutty urtty rtuty truty utrty turty rttuy trtuy rttuy trtuy ttruy ttruy uttry tutry uttry tutry ttury ttury rutyt urtyt rtuyt truyt utryt turyt ruytt urytt ryutt yrutt uyrtt yurtt rtyut tryut rytut yrtut tyrut ytrut utyrt tuyrt uytrt yutrt tyurt yturt rutyt urtyt rtuyt truyt utryt turyt ruytt urytt ryutt yrutt uyrtt yurtt rtyut tryut rytut yrtut tyrut ytrut utyrt tuyrt uytrt yutrt tyurt yturt rttyu trtyu rttyu trtyu ttryu ttryu rtytu trytu ryttu yrttu tyrtu ytrtu rtytu trytu ryttu yrttu tyrtu ytrtu ttyru ttyru tytru yttru tytru yttru uttyr tutyr uttyr tutyr ttuyr ttuyr utytr tuytr uyttr yuttr tyutr ytutr utytr tuytr uyttr yuttr tyutr ytutr ttyur ttyur tytur yttur tytur yttur
Note: these 'words' (valid or invalid) are all the permutations of the word rutty. These words are obtained by scrambling the letters in rutty.