Related Clues:

• . . . — — — . . .
• Clorox cleaning product
• Tar's 'Help!'
• Request for assistance
• ...---...
• ''Mayday!'' relative
• Call in a calamity
• Urgent call at sea
• Brillo alternative
• Mariner's distress signal
• Mayday rel.
• Help-wanted notice?
• ''Mayday!'' cousin
• Mariner's signal
• Dit-dit-dit-dah-dah-dah-dit-dit-dit