cauri acuri cuari ucari aucri uacri carui acrui craui rcaui arcui racui curai ucrai cruai rcuai urcai rucai aurci uarci aruci rauci uraci ruaci cauir acuir cuair ucair aucir uacir caiur aciur ciaur icaur aicur iacur cuiar uciar ciuar icuar uicar iucar auicr uaicr aiucr iaucr uiacr iuacr cariu acriu craiu rcaiu arciu raciu cairu aciru ciaru icaru aicru iacru criau rciau cirau icrau ricau ircau aricu raicu aircu iarcu riacu iracu curia ucria cruia rcuia urcia rucia cuira ucira ciura icura uicra iucra criua rciua cirua icrua ricua ircua urica ruica uirca iurca riuca iruca auric uaric aruic rauic uraic ruaic auirc uairc aiurc iaurc uiarc iuarc ariuc raiuc airuc iaruc riauc irauc uriac ruiac uirac iurac riuac iruac
Note: these 'words' (valid or invalid) are all the permutations of the word cauri. These words are obtained by scrambling the letters in cauri.