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]: ['475', '19', 'k', '307', '417']
[A]: 0, 1, 3, 4, 5, 7, 9


[Q]: ['497', '21', '239', '487', '149', 'q']
[A]: 1, 2, 3, 4, 7, 8, 9


[Q]: ['495', '21', 'g', '389', 'y', '149', 'v', 'c', 'k']
[A]:
1, 2, 3, 4, 5, 8, 9