Clue: Gray letters

Answer: CSA

Length: 3

---

Similar Clues:

• Sputnik letters (CCCP with 4 letters)
• Letters on an NL cap (STL with 3 letters)
• 2 letters (ABC with 3 letters)
• Request letters (RSVP with 4 letters)
• Letters for Zorba? (ZETAS with 5 letters)
• Daily letters (MTWTF with 5 letters)
• Listing letters (ETC with 3 letters)
• Filler's letters (DDS with 3 letters)
• ___ verte (gray-green) (TERRE with 5 letters)
• Letters denoting alias (AKA with 3 letters)