| Answer | Crossword Clue |
|---|---|
| EDH | O. E. letter |
| HUG | Letter O? |
| HUG | O, in a love letter |
| PHOTOFINISH | What the letter O is? |
| NIXY | Undeliverable letter, in P. O. parlance. |
| SERIF | The letter O doesn't have one |
| OBOE | Old radio word for the letter O |
| MAILABLE | O.K. at the P.O., as a letter |
| TCR | Inquiry sent out at the P.O. re a lost letter |
