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]: ['61', '417', '437', '489', '383', 'n', '11', 'o', 'a', 'v', '37', 'q', '317']
[EX A]: 1, 3, 4, 6, 7, 8, 9

[EX Q]: ['m', '221', '261', '175', '183', '359', 'h', '157', 'p', 'r', 'c', 'g', '193', 's']
[EX A]: 1, 2, 3, 5, 6, 7, 8, 9

[EX Q]: ['285', '217', 'k', '81', 'c', 'm', '249']
[EX A]:
1, 2, 4, 5, 7, 8, 9