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]: ['q', 'g', 'z', '309']
[A]: 0, 3, 9


[Q]: ['483', 'e', '57', 'a', '101', 'f', 'z', 'q', '115', 'x', '3', '305', '435', '45']
[A]: 0, 1, 3, 4, 5, 7, 8


[Q]: ['w', 'c', 'r', '379', 'k', '199', 'r', '467', 'l', 'n', '285', 'b']
[A]:
1, 2, 3, 4, 5, 6, 7, 8, 9