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]: ['c', '155', '61']
[A]: 1, 5, 6


[Q]: ['k', '413', '321', '209', 'k', '263']
[A]: 0, 1, 2, 3, 4, 6, 9


[Q]: ['313', 'x', '417', 'v']
[A]:
1, 3, 4, 7