kuads ukads kauds akuds uakds aukds kudas ukdas kduas dkuas udkas dukas kadus akdus kdaus dkaus adkus dakus uadks audks udaks duaks aduks dauks kuasd ukasd kausd akusd uaksd auksd kusad uksad ksuad skuad uskad sukad kasud aksud ksaud skaud askud sakud uaskd auskd usakd suakd asukd saukd kudsa ukdsa kdusa dkusa udksa duksa kusda uksda ksuda skuda uskda sukda kdsua dksua ksdua skdua dskua sdkua udska duska usdka sudka dsuka sduka kadsu akdsu kdasu dkasu adksu daksu kasdu aksdu ksadu skadu askdu sakdu kdsau dksau ksdau skdau dskau sdkau adsku dasku asdku sadku dsaku sdaku uadsk audsk udask duask adusk dausk uasdk ausdk usadk suadk asudk saudk udsak dusak usdak sudak dsuak sduak adsuk dasuk asduk saduk dsauk sdauk
Note: these 'words' (valid or invalid) are all the permutations of the word kuads. These words are obtained by scrambling the letters in kuads.