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]: ['b', '343', '149', 'h', 'w', 'j', 'd', 'r', '461', 'q', '265', '329', '499', 'r', '291']
[A]: 1, 2, 3, 4, 5, 6, 9


[Q]: ['g', 'j', '239', 'w', 'q', 'm', 'a', 'l', 'n', 'p', 'i', 'r']
[A]: 2, 3, 9


[Q]: ['329', 'b', 'x']
[A]:
2, 3, 9