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]: ['175', 'c', 'c']
[A]: 1, 5, 7


[Q]: ['v', '105', 'p', 'w', '295', '239', '453']
[A]: 0, 1, 2, 3, 4, 5, 9


[Q]: ['263', '263', 'f', 'v', '201', '393']
[A]:
0, 1, 2, 3, 6, 9