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]: ['x', '91', 'q', '417', '385', '455', '393', 'm', 's', 'c', '91', '71', 'n']
[A]: 1, 3, 4, 5, 7, 8, 9


[Q]: ['353', '195', '297', '175', 'u', 'p', 'r', 'l']
[A]: 1, 2, 3, 5, 7, 9


[Q]: ['z', '53', 'p', '387', '45', '221', '383', '189', '225', 'c', '371', '347', 'f', 'y', '155']
[A]:
1, 2, 3, 4, 5, 7, 8, 9