dorad odrad droad rdoad ordad rodad doard odard daord adord oadrd aodrd draod rdaod darod adrod radod ardod oradd roadd oardd aordd raodd arodd dorda odrda droda rdoda ordda rodda dodra oddra ddora ddora oddra dodra drdoa rddoa ddroa ddroa rddoa drdoa ordda rodda odrda dorda rdoda droda doadr odadr daodr adodr oaddr aoddr dodar oddar ddoar ddoar oddar dodar dador addor ddaor ddaor addor dador oaddr aoddr odadr doadr adodr daodr drado rdado dardo adrdo raddo arddo drdao rddao ddrao ddrao rddao drdao dadro addro ddaro ddaro addro dadro raddo arddo rdado drado adrdo dardo oradd roadd oardd aordd raodd arodd ordad rodad odrad dorad rdoad droad oadrd aodrd odard doard adord daord radod ardod rdaod draod adrod darod
Note: these 'words' (valid or invalid) are all the permutations of the word dorad. These words are obtained by scrambling the letters in dorad.