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]: ['333', '207', '13', '339', 'n', '387']
[EX A]: 0, 1, 2, 3, 7, 8, 9

[EX Q]: ['q', 'a', '149']
[EX A]: 1, 4, 9

[EX Q]: ['y', 'f', '31', '179', '179', '379', '135', '359', 'w', '29', '165', 'k', 'l']
[EX A]:
1, 2, 3, 5, 6, 7, 9