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]: ['g', '411', '307', 'i', '483', 'z', '29', 't', 'f', 'z']
[A]: 0, 1, 2, 3, 4, 7, 8, 9


[Q]: ['49', '79', 'b', 't', 'z']
[A]:
4, 7, 9