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: ['223', '55', 'l', '461']

A: 1, 2, 3, 4, 5, 6
****
Q: ['291', '445', 'q', 't']

A: 1, 2, 4, 5, 9
****
Q: ['403', '365', 't', 'f', '195', 'g', '83', 'h', '153', '117', 'b']

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