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: ['269', 'f', '321', '175', '15', 'n', 'b', 'z', '53', 'p', 'x', '457', 'q', 'b']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['193', '195', '411', 'p', '161', 'j']

A: 1, 3, 4, 5, 6, 9
****
Q: ['351', 'u', '163', '77', '299', 'g']

A:
1, 2, 3, 5, 6, 7, 9
****