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: ['e', '307', '191', 'k', 'o', 'j', '99']

A: 0, 1, 3, 7, 9
****
Q: ['k', '153', '13']

A: 1, 3, 5
****
Q: ['d', 'v', '215', 'r', '433', '275', '29', 'x', 't', '213', 'i', 'w', '77', 'h']

A:
1, 2, 3, 4, 5, 7, 9
****