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]: ['173', 'i', 'w', '425', '27', 'd']
[EX A]: 1, 2, 3, 4, 5, 7

[EX Q]: ['251', '349', '265', '121']
[EX A]:
1, 2, 3, 4, 5, 6, 9