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]: ['d', '25', '323', 'k', 'e']
[EX A]: 2, 3, 5

[EX Q]: ['b', '343', '149', 'h', 'w', 'j', 'd', 'r', '461', 'q', '265', '329', '499', 'r', '291']
[EX A]: 1, 2, 3, 4, 5, 6, 9

[EX Q]: ['397', 'k', 'j', 't', 't', '167', 'r', 'w', 'm', '187', 'q', 'a', '493', '463', '223']
[EX A]:
1, 2, 3, 4, 6, 7, 8, 9