What are the cheat codes for transylmania 2

Level 2: Bat-Vampire-Bear-Skull
Level 3: Bat-Bear-Bear-Bat-Bat
Level 4: Skull-Bear-Bat-Bear-Vampire
Level 5: Bear-Bear-Skull-Skull-Skull
Level 6: Bat-Vampire-Vampire-Skull-Bear
Level 7: Vampire-Skull-Bat-Vampire-Skull