In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.

[EX Q]: ['z', 'b', 'c', 'l', '453', 'h', '215', '447', '487', 'p', 'y', 'v']
[EX A]: 1, 2, 3, 4, 5, 7, 8

[EX Q]: ['x', 's', '497', '239', '197', '191', '7', 'h', '191', '281', '55', '317', '407', '201', 'v']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['403', '381', '221', '415', '211', 'n']
[EX A]:
0, 1, 2, 3, 4, 5, 8