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]: ['157', 'k', 'o', 'a', '279', 'g']
[A]: 1, 2, 5, 7, 9


[Q]: ['f', '367', 'w', '227', '201', 'n', '213', '11']
[A]: 0, 1, 2, 3, 6, 7


[Q]: ['h', 'u', 'r', '251', 'x', '273', '395', '17']
[A]:
1, 2, 3, 5, 7, 9