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]: ['e', 'o', 'c', 'j', 'g', '249', 's', 'b', 'f', '359', '107', 'i']
[A]: 0, 1, 2, 3, 4, 5, 7, 9


[Q]: ['431', '245', '23', 'c', '185', 'k', '155', '163', 'e', '35', 'r', '175', '163']
[A]: 1, 2, 3, 4, 5, 6, 7, 8


[Q]: ['k', 'z', 'f', '235', 'n', 'n', 'k', 'u']
[A]:
2, 3, 5