- Apertures
- First nights
- Gaps apparent in premieres
- Job vacancies
- Opportunities at first nights?
- Positions vacant
- Premieres
- Apertures
- Cavities
- Dens
- Empty spaces
- Gaps
- Orifices
- Pits
- Door apertures
- Door lock apertures
- Openings on lock
- Assigned times
- Narrow apertures
- Narrow openings