Possible Clues:

• Voiced
• Voiced, in phonetics
• Voiced, in linguistics
• Audible
• Is that your six-foot boy, by the sound of it?
• Your boy may be an insect, by the sound of it
• Speech sound
• The boy starts to be quite sound over the insect
• Your six-foot boy, by the sound of it
• Is your boy a six-footer, by the sound of it?