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]: ['119', '329', 'w']
[A]: 1, 2, 3, 9


[Q]: ['391', 'y', '447', '345', '157', '265', 'x', '261', 'm', 'f', 'x', 'x', '379', 'r', 'g']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['p', 'u', '291', 'j', '29', 't', '339', '291', 'u', '367']
[A]:
1, 2, 3, 6, 7, 9