drool rdool dorol odrol rodol ordol drool rdool dorol odrol rodol ordol doorl odorl doorl odorl oodrl oodrl roodl orodl roodl orodl oordl oordl drolo rdolo dorlo odrlo rodlo ordlo drloo rdloo dlroo ldroo rldoo lrdoo dolro odlro dloro ldoro oldro lodro roldo orldo rlodo lrodo olrdo lordo drolo rdolo dorlo odrlo rodlo ordlo drloo rdloo dlroo ldroo rldoo lrdoo dolro odlro dloro ldoro oldro lodro roldo orldo rlodo lrodo olrdo lordo doolr odolr doolr odolr oodlr oodlr dolor odlor dloor ldoor oldor lodor dolor odlor dloor ldoor oldor lodor ooldr ooldr olodr loodr olodr loodr roold orold roold orold oorld oorld rolod orlod rlood lrood olrod lorod rolod orlod rlood lrood olrod lorod oolrd oolrd olord loord olord loord
Note: these 'words' (valid or invalid) are all the permutations of the word drool. These words are obtained by scrambling the letters in drool.