| Answer | Crossword Clue |
|---|---|
| HAMMURABI | ...'s code |
| NSA | U.S. code breakers |
| SIERRA | Code word for "S" |
| DOT | Part of Morse s code |
| SUGAR | Code word for letter "s." |
| DIT | Part of Morse s code |
| DOTS | H or S, in Morse code |
| DOTS | Threesome in a Morse code S |
| NSA | U.S. code and cipher grp. |
| CPA | Expert, maybe, on the I.R.S. code |
| TWO | First or last digit of D.C.'s area code |
| TWO | Start of D.C.'s ZIP codes or area code |
| NAN | Code word for "N" in the old U.S. Phonetic Alphabet |
