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]: ['73', '199', '189', '27', 'm', '101', '61', '113', 'y', '169']
[EX A]: 0, 1, 2, 3, 6, 7, 8, 9

[EX Q]: ['v', 'p', '113', '241', 's', 'q', 'b', '293', 'l', 'w', 'w', '127']
[EX A]: 1, 2, 3, 4, 7, 9

[EX Q]: ['d', '81', '463', 'y', '445', '55', 'n', '117']
[EX A]:
1, 3, 4, 5, 6, 7, 8