kwdaa wkdaa kdwaa dkwaa wdkaa dwkaa kwada wkada kawda akwda wakda awkda kdawa dkawa kadwa akdwa dakwa adkwa wdaka dwaka wadka awdka dawka adwka kwdaa wkdaa kdwaa dkwaa wdkaa dwkaa kwada wkada kawda akwda wakda awkda kdawa dkawa kadwa akdwa dakwa adkwa wdaka dwaka wadka awdka dawka adwka kwaad wkaad kawad akwad wakad awkad kwaad wkaad kawad akwad wakad awkad kaawd akawd kaawd akawd aakwd aakwd waakd awakd waakd awakd aawkd aawkd kdaaw dkaaw kadaw akdaw dakaw adkaw kdaaw dkaaw kadaw akdaw dakaw adkaw kaadw akadw kaadw akadw aakdw aakdw daakw adakw daakw adakw aadkw aadkw wdaak dwaak wadak awdak dawak adwak wdaak dwaak wadak awdak dawak adwak waadk awadk waadk awadk aawdk aawdk daawk adawk daawk adawk aadwk aadwk
Note: these 'words' (valid or invalid) are all the permutations of the word kwdaa. These words are obtained by scrambling the letters in kwdaa.