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]: ['v', 'n', '303', '355', 'n', '205', '393', '239', '239', 'm', '123', '487']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['189', 'z']
[EX A]: 1, 8, 9

[EX Q]: ['233', 'l', 'l', 'y', '359', '429', 'c', '353', '315']
[EX A]:
1, 2, 3, 4, 5, 9