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: ['f', 'f', '149', '311', '331', 'l', 'u', '349', 'v', 'v', '417', '285']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['445', '91', '141', '185', 'b', 'k', 'f', 'l', 'i', '229', 't', 'v']

A: 1, 2, 4, 5, 8, 9
****
Q: ['w', '219', '51', '441', 'i', '45', '153', 'q', 'm', '69', 'r', 'n', 's', 'q', '15']

A:
1, 2, 3, 4, 5, 6, 9
****