6d Perfect standard to try to attain (5) i???L 10a Small, mischievous and charming (5) ????N 7d Flo's adept (anag) 4-5 S???P?D?L 16d Change or modification (8) ?D???E?N 23a Items delivered by flying plane (3-4) AiR???? (Could be air mail) 24d They control horses (5) ??i?S