ualac aulac ulaac luaac aluac lauac uaalc aualc uaalc aualc aaulc aaulc ulaac luaac ualac aulac lauac aluac alauc laauc aaluc aaluc laauc alauc ualca aulca ulaca luaca aluca lauca uacla aucla ucala cuala acula caula ulcaa lucaa uclaa culaa lcuaa cluaa alcua lacua aclua calua lcaua claua uaacl auacl uaacl auacl aaucl aaucl uacal aucal ucaal cuaal acual caual uacal aucal ucaal cuaal acual caual aacul aacul acaul caaul acaul caaul ulaca luaca ualca aulca lauca aluca ulcaa lucaa uclaa culaa lcuaa cluaa uacla aucla ucala cuala acula caula lacua alcua lcaua claua aclua calua alacu laacu aalcu aalcu laacu alacu alcau lacau aclau calau lcaau claau aaclu aaclu acalu caalu acalu caalu lacau alcau lcaau claau aclau calau
Note: these 'words' (valid or invalid) are all the permutations of the word ualac. These words are obtained by scrambling the letters in ualac.