Related Clues:

• Imperfection - go over to the enemy
• 'Flaw, imperfection (6)'
• Brit. coding system
• For lack of this one might get away from it all
• Rev? O, there's the new page
• Rev, O that's all the business you do
• Rev. O., that's the best thing to do with 2 down
• The Rev, O, that, it seems, is all he gets in from his business (8)
• What a revolution in receipts!
• Rev. O, that's how much business he does
• Cap size for you, Rev. O., the other way up
• 'Rev? O, that's the money goes through there (8)'
• 'Make one Rev? O, see the other side for cash (8)'
• Carry-__ (some plane luggage)
• Put-___ (pranks)