Related Clues:

• "Not guilty," for example
• Fund-raising letter
• Mayday!
• It's sometimes written in the sand
• Maritime message
• It's entered in court
• Urgent letters?
• Distress call
• ···---···
• ___ pad
• "Send help!"
• Bargain type
• Distress letters
• Certain smoke signal
• 'Nolo,' for instance