The unclued four-letter words can be paired in a particular way to form the remaining unclued lights (one of two words).
Across
5 Be in contact with a jock’s love-in (6)
10 Isolation of actors Chaney and Wallach by headland (10)
12 Scar on saint is something of a problem (6)
13 Still the champion, having downed the sticky bun first (8)
16 Little US heads (5)
17 Hermes’ footwear for 100 sene at ‘The Valley’ (7)
18 Does the gallery own something like Trident? (7)
20 European calls...

Disagree with half of it, enjoy reading all of it
TRY A MONTH FREE
Our magazine articles are for subscribers only. Try a month of Britain’s best writing, absolutely free.
Already a subscriber? Log in
Comments
Join the debate, free for a month
Be part of the conversation with other Spectator readers by getting your first month free.
UNLOCK ACCESS Try a month freeAlready a subscriber? Log in