- A hole
- A mountain pass
- A space
- Age difference, generation ...
- Applaud
- Breach
- Break in continuity
- 19 Chance
- Chance of pony trip out ... way out!
- Chance operation needs port unity
- Chance to have a drink after work and gain cohesion
- Expediency
- Favourable time
- Opening
- Beginning
- Commence introducing new initiatives to improve adult learning at the outset
- Confusing inability ignored by witness
- First
- First letter
- First letter of a name
- First sign
- Air aperture
- Air hole
- Air outlet
- Air-hole
- Aperture
- Opening
- Outlet