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]: ['45', 'n', 'u', '199', 'y', 'w']
[A]: 1, 4, 5, 9


[Q]: ['t', '211', 'h', '99']
[A]: 1, 2, 9


[Q]: ['m', '207', 'a', 's', 'f']
[A]:
0, 2, 7