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: ['t', '175', '163', 'k', '279', '385', 'y', '71', 'g']

A: 1, 2, 3, 5, 6, 7, 8, 9
****
Q: ['13', 'p', '427', 's', 'x', 'x', '43', 'h', 'j', 'z', '21']

A: 1, 2, 3, 4, 7
****
Q: ['385', '463', '175', '431', '449', '407', 'z', '385', '353', 'c', 'z', 's', '161', 'h', '241']

A:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
****