| Answer | Crossword Clue |
|---|---|
| OSSA | Pile Pelion on ... |
| OSSA | Pelion pile-on |
| OSSA | " . . . pile ... on Pelion": Virgil |
| OSSA | "To pile ... on Pelion." |
| OSSA | Pile Pelion on ... (attempt a futile task) |
| OSSAON | "Pile ... Pelion." |
| OSSAON | "Pile .. Pelion" |
| OSSA | Where to "pile Pelion" |
| OSSA | Where to pile Pelion |
