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]: ['r', '233']
[A]: 2, 3


[Q]: ['y', '439', 't', '29', '425', '289']
[A]: 2, 3, 4, 5, 8, 9


[Q]: ['189', '363', '107', '29', '497', '247', 'c', 's', 'g', '475', 'q']
[A]:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9