ulira luira uilra iulra liura ilura ulria luria urlia rulia lruia rluia uirla iurla urila ruila irula riula lirua ilrua lriua rliua irlua rilua uliar luiar uilar iular liuar iluar ulair luair ualir aulir lauir aluir uialr iualr uailr auilr iaulr aiulr liaur ilaur laiur aliur ialur ailur ulrai lurai urlai rulai lruai rluai ulari luari ualri aulri lauri aluri urali ruali uarli aurli rauli aruli lraui rlaui larui alrui ralui arlui uiral iural urial ruial irual riual uiarl iuarl uairl auirl iaurl aiurl urail ruail uaril auril rauil aruil iraul riaul iarul airul raiul ariul lirau ilrau lriau rliau irlau rilau liaru ilaru lairu aliru ialru ailru lraiu rlaiu lariu alriu raliu arliu iralu rialu iarlu airlu railu arilu
Note: these 'words' (valid or invalid) are all the permutations of the word ulira. These words are obtained by scrambling the letters in ulira.