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]: ['y', 'o', '287', 'm', 's', '61']
[EX A]: 1, 2, 6, 7, 8

[EX Q]: ['x', 'x', '145', 'p', '11', 'j', 'e', '93', '213', '89', '445', 'z', 'z']
[EX A]: 1, 2, 3, 4, 5, 8, 9

[EX Q]: ['33', 'e', '77', '321', '11', 'q', '5', '257', '349', '305', 'k', 'l', 'i', 'z', '19']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 9