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: ['169', '159', '103', '245', '449', 'a', 'w', 'b', '131', '385']

A: 0, 1, 2, 3, 4, 5, 6, 8, 9
****
Q: ['9', '129', '467', '59', 'm', 'n', 'd', '107']

A: 0, 1, 2, 4, 5, 6, 7, 9
****
Q: ['f', 'x', '347']

A:
3, 4, 7
****