deuce educe duece udece eudce uedce decue edcue dceue cdeue ecdue cedue ducee udcee dcuee cduee ucdee cudee eucde uecde ecude ceude ucede cuede deuec eduec dueec udeec eudec uedec deeuc edeuc deeuc edeuc eeduc eeduc dueec udeec deuec eduec uedec eudec euedc ueedc eeudc eeudc ueedc euedc deceu edceu dceeu cdeeu ecdeu cedeu deecu edecu deecu edecu eedcu eedcu dceeu cdeeu deceu edceu cedeu ecdeu ecedu ceedu eecdu eecdu ceedu ecedu ducee udcee dcuee cduee ucdee cudee duece udece deuce educe uedce eudce dceue cdeue decue edcue cedue ecdue ucede cuede uecde eucde ceude ecude euced ueced ecued ceued uceed cueed euecd ueecd eeucd eeucd ueecd euecd eceud ceeud eecud eecud ceeud eceud uceed cueed ueced euced ceued ecued
Note: these 'words' (valid or invalid) are all the permutations of the word deuce. These words are obtained by scrambling the letters in deuce.