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]: ['243', '125']
[A]: 1, 2, 3, 4, 5


[Q]: ['o', 'f', 'x', '239']
[A]: 2, 3, 9


[Q]: ['273', 'b', '461', '419', '349', '301', '365', 'k', '319', 'o']
[A]:
0, 1, 2, 3, 4, 5, 6, 7, 9