dawks adwks dwaks wdaks awdks wadks dakws adkws dkaws kdaws akdws kadws dwkas wdkas dkwas kdwas wkdas kwdas awkds wakds akwds kawds wkads kwads dawsk adwsk dwask wdask awdsk wadsk daswk adswk dsawk sdawk asdwk sadwk dwsak wdsak dswak sdwak wsdak swdak awsdk wasdk aswdk sawdk wsadk swadk daksw adksw dkasw kdasw akdsw kadsw daskw adskw dsakw sdakw asdkw sadkw dksaw kdsaw dskaw sdkaw ksdaw skdaw aksdw kasdw askdw sakdw ksadw skadw dwksa wdksa dkwsa kdwsa wkdsa kwdsa dwska wdska dswka sdwka wsdka swdka dkswa kdswa dskwa sdkwa ksdwa skdwa wksda kwsda wskda swkda kswda skwda awksd waksd akwsd kawsd wkasd kwasd awskd waskd aswkd sawkd wsakd swakd akswd kaswd askwd sakwd ksawd skawd wksad kwsad wskad swkad kswad skwad
Note: these 'words' (valid or invalid) are all the permutations of the word dawks. These words are obtained by scrambling the letters in dawks.