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]: ['f', '135', 's', '269', 'x', '45', 'p', '141', 'e']
[EX A]: 1, 2, 3, 4, 5, 6, 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]: ['77', 'k', '349', 'f', '91', 'l', '243', '479', 'd', 'w']
[EX A]:
1, 2, 3, 4, 7, 9