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: ['261', '227', 'f', 'w', '141', 'k', '119', '407', '409', '373']

A: 0, 1, 2, 3, 4, 6, 7, 9
****
Q: ['a', '491', '477', '193', 'b', 'l', 'c']

A: 1, 3, 4, 7, 9
****
Q: ['j', 'n', 's', 't', '137']

A:
1, 3, 7
****