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.

[Q]: ['381', '129']
[A]: 1, 2, 3, 8, 9


[Q]: ['197', 'p', 'e', '217', '327', '439', '59', 'o', '355', 'z']
[A]: 1, 2, 3, 4, 5, 7, 9


[Q]: ['361', '461', 'w', '329', '207', 'u', '495', 'z', 'o']
[A]:
0, 1, 2, 3, 4, 5, 6, 7, 9