ulyie luyie uylie yulie lyuie yluie uliye luiye uilye iulye liuye iluye uyile yuile uiyle iuyle yiule iyule lyiue yliue liyue ilyue yilue iylue ulyei luyei uylei yulei lyuei yluei uleyi lueyi uelyi eulyi leuyi eluyi uyeli yueli ueyli euyli yeuli eyuli lyeui yleui leyui elyui yelui eylui uliey luiey uiley iuley liuey iluey uleiy lueiy ueliy euliy leuiy eluiy uiely iuely ueily euily ieuly eiuly lieuy ileuy leiuy eliuy ieluy eiluy uyiel yuiel uiyel iuyel yiuel iyuel uyeil yueil ueyil euyil yeuil eyuil uieyl iueyl ueiyl euiyl ieuyl eiuyl yieul iyeul yeiul eyiul ieyul eiyul lyieu ylieu liyeu ilyeu yileu iyleu lyeiu yleiu leyiu elyiu yeliu eyliu lieyu ileyu leiyu eliyu ielyu eilyu yielu iyelu yeilu eyilu ieylu eiylu
Note: these 'words' (valid or invalid) are all the permutations of the word ulyie. These words are obtained by scrambling the letters in ulyie.