| Answer | Crossword Clue |
|---|---|
| PAID | Satisfied an IOU |
| OWE | Issue an IOU |
| LEND | Accept an IOU |
| DEBT | Reason for an IOU |
| DEBT | What an IOU signifies |
| REPAY | Take care of an IOU |
| VOWELED | Paid with an IOU: Humorous. |
| markers | A promissory note; an IOU |
| marker | A promissory note; an IOU |
