4: Experience a lack of oxygen, perhaps
6: Word in seven Hope titles
9: Reed of 'From Here to Eternity'
15: Between Earth and Venus, e.g.
20: 'Sweet Pea' singer Tommy
24: Some predatory carnivores
26: Like Schubert's music, e.g.
28: Himalayan monasteries
44: Logic circuit element
54: 'Cessa di piĆ¹ resistere,' for one