Related Clues:

• 'Doo' follower
• Morse word
• Not dit
• 'Well, lah-di- --!'
• Tapped-out character
• Quick click
• Bit of code
• Said, in St Foy
• SOS starter
• Telegraphic tap
• Long sound in Morse
• Had reversed a code word
• Telegraph sound
• Dah's counterpart in Morse code
• "Zip-a-Dee Doo-___"