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: ['293', '473', '79', 'j', '455', '285', 'k', 'd', '379', '249', '73', '229']

A: 2, 3, 4, 5, 7, 8, 9
****
Q: ['q', 'u', '199', 'v', '249']

A: 1, 2, 4, 9
****
Q: ['h', '175', '113', 'k', 'w', '207', '299']

A:
0, 1, 2, 3, 5, 7, 9
****