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]: ['371', '459', '9', 'j', '425', 'k', '495', 'x', '105', '49', 'j', '101', 's']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['z', 'c', 'n', '351', 'f', '239', '71', '351', 'b', '1', '321', 'h', '163']
[EX A]: 1, 2, 3, 5, 6, 7, 9

[EX Q]: ['145', '137']
[EX A]:
1, 3, 4, 5, 7