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]: ['y', '101', 'g', 'c', 'z']
[A]: 0, 1


[Q]: ['489', 'y', 's', 'x', '203', 't', 'y', '461', 'v', 'k', '371', 'e']
[A]: 0, 1, 2, 3, 4, 6, 7, 8, 9


[Q]: ['143', '237', '135', '281']
[A]:
1, 2, 3, 4, 5, 7, 8