| Answer | Crossword Clue |
|---|---|
| ENC | Letter insert: Abbr. |
| SASE | Letter insert, briefly |
| ENC | Insert: Abbr. |
| ENCL | Insert: Abbr. |
| ORIG | Copier insert: Abbr. |
| ENC | Envelope insert (Abbr.) |
| ORIG | Xerox insert: Abbr. |
| ENC | Envelope insert: Abbr. |
| ORIG | Copy machine insert: Abbr. |
| ENC | Insert of a sort: Abbr. |
| SSN | 078-05-1120, on a Woolworth's sample wallet insert: Abbr. |
