The 12 unclued lights (one of two words) are somehow paired and one solution in each pair is of a kind with the five others.

Across

12 Prizes at dance which Desperate Dan patronises? (7, hyphened)

14 Fancy notepaper? (5)

15 Fish and cheese sauce, not new (5)

16 Stay out of bed with Christmas singer at university (6, two words)

17 Top chess player in compound (6)

24 With various actors, Ginger shared the lead (9)

29 Island garden with a cuckoo (7)

32 Appreciation from US actor? (6)

33 Secretary general of UN that flourished (6, two components)

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