| Answer | Crossword Clue |
|---|---|
| ATTN | Envelope letters |
| ATN | Envelope letters |
| ATTN | Business-envelope letters |
| ATTN | Letters on an envelope |
| SWAK | Loving letters on an envelope |
| SWAK | Letters on a love letter's envelope |
| SWAK | Letters on a love-letter envelope |
| SWAK | Initials on a love letter's envelope |
| SWAK | Letters on a billet-doux's envelope |
