Clue: Code letters

Answer: 2 possible answers to Code letters. From 3 to 4 leters.

Code letters answers with 3 characters:

• DNA

Code letters answers with 4 characters:

• NANS

---

Similar Clues:

• Modern code letters (HTML with 4 letters)
• Former UN leader Hammarskjöld [Note: The circled letters comprise a three-word instruction that, when applied to one square in the completed grid, reveals a group who might follow a code of silence] (DAG with 3 letters)
• Watson's code letters (DNA with 3 letters)
• Starting letters in military code (ALFAS with 5 letters)
• Letters ending a PC code file name (EXE with 3 letters)
• Genetic code letters (e.g. DNA with 3 letters)
• Letters on some shoeboxes (EEE with 3 letters)
• Old dial letters (UHF with 3 letters)
• Rush-job letters (ASAP with 4 letters)
• Letters after ens (OES with 3 letters)