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]: ['i', 'e', '17', 'q', '15', 'v']
[EX A]: 1, 5, 7

[EX Q]: ['411', '367']
[EX A]: 1, 3, 4, 6, 7

[EX Q]: ['113', 'e', 'w', '185', '465', 'i', 'g', 'h', 'p', '27', '57', 'd']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 8