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]: ['119', '189', 'k', 'e', '425', '21', '245']
[A]: 1, 2, 4, 5, 8, 9


[Q]: ['l', 'z', '453', '361', 'p', 'c', 'n', '77', '113', '261', 'g']
[A]: 1, 2, 3, 4, 5, 6, 7


[Q]: ['k', '45', '139', 'k', 'g', 'o', '307', '215', '47', '37']
[A]:
0, 1, 2, 3, 4, 5, 7, 9