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]: ['t', '251', 'b', '241', 'z', '255']
[A]: 1, 2, 4, 5


[Q]: ['13', 'p', '427', 's', 'x', 'x', '43', 'h', 'j', 'z', '21']
[A]: 1, 2, 3, 4, 7


[Q]: ['x', 'u', '157', 'u', '407', 'z', 's', '443', '17', 'i', 'x', 'h', 'w', 'p', '409']
[A]:
0, 1, 3, 4, 5, 7, 9