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]: ['45', 'n', 'u', '199', 'y', 'w']
[A]: 1, 4, 5, 9


[Q]: ['401', 'a', '273', 'c', '117', 'x', 'b', 'h', 's', 'v']
[A]: 0, 1, 2, 3, 4, 7


[Q]: ['277', '329', 's', '123', 'z', 'q', 'p', '251', 'j', 'q', '375', '369', 'n']
[A]:
1, 2, 3, 5, 6, 7, 9