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]: ['71', '7', '341', '199', 'z', 'x', '201']
[A]: 0, 1, 2, 3, 4, 7, 9


[Q]: ['167', 'o', '23', 'y', 'q', '407', 'q', '325', '43', '83', '401', 'l', '191']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['p', '379', 'v', '21', 'x', 'w', '67', 'y', '399', 'h']
[A]:
1, 2, 3, 6, 7, 9