| Answer | Crossword Clue |
|---|---|
| SASES | Envelopes' enclosures: Abbr. |
| ATTN | Envelope's routing abbr. |
| ATTN | Abbr. on business envelopes |
| LTRS | Contents of some envelopes: Abbr. |
| ENCS | Enclosures: Abbr. |
| MSS | SASE enclosures (abbr.) |
| MSS | Envelope enclosures (abbr.) |
| SASES | Letter enclosures (abbr.) |
| CCS | Letter enclosures: Abbr. |
| SASES | Letter enclosures: Abbr. |
| SASES | Invitation enclosures (Abbr.) |
| MSS | SASE enclosures (Abbr.) |
| SASES | Return-postage enclosures: Abbr. |
| SAES | Some letter enclosures, abbr. |
| SAES | Enclosures with many bills (abbr.) |
