Related Clues:

• Secret writing
• Body of law
• See 11 Down
• It takes brains to crack it
• Word with fire or area
• ___ red
• 'The Da Vinci --'
• Morse ___
• Computer programmer's work
• Cryptoquote, really
• Morse's creation
• What a spy may write in
• Program lines
• Java ingredient?
• Something to crack