Related Clues:

• Antidiscrimination letters
• Mayday call, or a pattern found in 17-, 27-, 45-, and 60-Across
• "I need help!"
• Nautical "Help!"
• 1975 ABBA hit whose title is a palindrome
• Letters spelled in rocks on a desert island
• "I need a rescue" letters
• Message spelled in the sand, perhaps
• Name on a box by the sink
• ABBA or Rihanna hit