| Answer | Crossword Clue |
|---|---|
| EGO | It may be inflated with hot air |
| EGOS | They may be inflated with hot air |
| EGOS | Hot air may be released when they are inflated |
| TIRE | It may be full of hot air |
| FLUE | It may be full of hot air |
| TYRE | It may be filled with Londonderry air |
