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]: ['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]: ['121', 'm', 'n', '143', '281', 'c', 'j']
[A]: 1, 2, 3, 4, 8


[Q]: ['c', '139', '369', 'j', '291', 'l', '455', '287', '367', '433', '207', '435', '73']
[A]:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9