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]: ['k', 'b', 'k', 'l', '441', 'b', '115', 'd', 'b', 'r', '115', 'k', 'a']
[A]: 1, 4, 5


[Q]: ['t', 'r', 'z']
[A]: -1


[Q]: ['f', '203', 'e', 'm', '57', 's', '461', 'p', '111', 'x', '361']
[A]:
0, 1, 2, 3, 4, 5, 6, 7