| Answer | Crossword Clue |
|---|---|
| AERO | Prefix on an air letter |
| AERO | Prefix on an Air Letter. |
| AVION | Word on an air letter. |
| AVION | Word on an Air Letter. |
| AERO | Prefix on air letters. |
| RSVP | Letter on an invitation. |
| SEAL | Wax on an old letter |
| KAPPA | Letter on an honor society key |
| PHI | Letter on an honor society key |
| PFC | Rank on an APO letter, perhaps |
| STE | Abbr. on a letter to an office complex |
| STE | Abbr. on a letter to an office building |
| OLE | Cry spelled with an accent on the last letter |
| RAGU | Brand name with an accent on its last letter |
| PHI | Greek letter that's also an M.L.B. city on scoreboards |
