| Answer | Crossword Clue |
|---|---|
| ENC | Bus. letter attachment |
| NIM | "Bus" or "rod" attachment |
| OMNI | Science or bus attachment |
| OMNI | Attachment for "science" or "bus" |
| OMNI | Attachment for science or bus |
| ATTN | Bus.-letter letters |
| ENC | Bus.-letter abbr. |
| ENCL | Bus. letter abbr. |
| ENC | Bus. letter extra |
| ATTN | Bus. letter abbr. |
| ENC | Bus.-letter extra |
| ATTN | Bus. letter directive |
| ENC | Bus. letter abbr. |
| ENCS | Bus. letter add-ins |
| ULT | Last month, in a bus. letter |
| ATTN | Name preceder on a bus. letter |
