• 'Hisses' is made up of 16, in a certain code
• A Morse I consists of two
• A Morse I requires two
• Bits of code
• Clicks in code
• Code signals
• Code sounds
• Counterparts of dahs
• Dah's counterparts
• Dah's partners
• Dahs' running mates
• E's, I's and S's, in Morse code
• Morse bits
• Morse clicks
• Morse code characters
• Morse code clicks
• Morse code for sissies
• Morse code taps
• Morse marks
• Morse signals
• Morse sounds
• Morse symbols
• Morse taps
• Morse-code signals
• Morse-code sounds
• Most of an SOS
• Parts of a certain code
• Parts of the Morse code
• Some Morse code characters
• Some Morse code clicks
• Some Morse taps
• Some telegraphic signals
• Taps for information flow
• Telegraph clicks
• Telegraph taps
• Telegraphic sounds