| Answer | Crossword Clue |
|---|---|
| ATTN | Letter abbreviation |
| ENC | Letter abbreviation |
| ENC | Business letter abbreviation. |
| ENCL | Business-letter abbreviation |
| ENC | Common letter abbreviation. |
| PPS | Letter-writer's abbreviation. |
| ULT | Business letter abbreviation. |
| ATT | Business letter abbreviation. |
| PSS | Letter-writer's abbreviation. |
| ATTN | Business letter abbreviation. |
| ENC | Business letter abbreviation |
| PSS | Letter writer's abbreviation. |
| INST | Business letter abbreviation. |
| ENC | Abbreviation on a business letter. |
| INST | Abbreviation in a business letter. |
| ATTN | Abbreviation on a business letter. |
