2494: Back to front

The unclued lights have something in common. None is a real word.

Across

1 Promoted male only editor eclipsed (8)
8 Four blood groups maybe, or one group (4)
11 In brief affair, my girl headed off cutting turf (12)
12 Force president to accept Liberal myth (5)
14 Cheerless and tense inside drink factory (7)
15 Special order for Scots post (5)
17 Palm stem hollow? It floats (5)
18 Dotted i missing from coil? Extremely negligent (6)
22 Mind goes wandering a bit...