Clue: Platonic letters

Answer: RHOS

Length: 4

---

Similar Clues:

• Exchanges letters (CORRESPONDS with 11 letters)
• Solver's dilemma when faced with the clue "Telecom letters" (ITTORATT with 8 letters)
• Message that uses many different letters (RANSOMNOTE with 10 letters)
• Letters seeking aid (SOS with 3 letters)
• "No more seats" letters (SRO with 3 letters)
• Cardinal letters (STL with 3 letters)
• Personal ad letters (e.g. SWF with 3 letters)
• End-of-the-week business letters? (TGIF with 4 letters)
• Three letters forming a single sound (TRIGRAPH with 8 letters)
• Letters on an Olympics jersey (USA with 3 letters)