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: ['a', '399', 's', 'e', '495', 'd', 'f', 'a', '323']

A: 2, 3, 4, 5, 9
****
Q: ['261', '227', 'f', 'w', '141', 'k', '119', '407', '409', '373']

A: 0, 1, 2, 3, 4, 6, 7, 9
****
Q: ['w', 's', '7', 's', 'w', '225', 't']

A:
2, 5, 7
****