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Related Clues:
- Letter signoff
- Love letters?
- Love letter closer, perhaps
- Letter ender
- Love-letter letters
- Hugs and kisses, briefly
- 10 micronewtons
- Common sign-off
- Hugs and kisses, symbolically
- Love letter letters
- Letters in love letters
- Letters at the end of a love letter
- Line on an intimate letter
- Complimentary close
- Love letter closing, and in sequence, a hint to the ends of 18-, 28-, 48- and 64-Across