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]: ['o', '235', '479', 'e', '199', 'c', '25', '59', 'g', '415', '201', '129', 'a', 'i', 'c']
[A]: 0, 1, 2, 3, 4, 5, 7, 9


[Q]: ['s', 'y', '133', 'c', '415', 'p']
[A]: 1, 3, 4, 5


[Q]: ['l', '263', '193', '41', 'x', 'r', '199', 't', 'y', 'i', '467']
[A]:
1, 2, 3, 4, 6, 7, 9