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: ['305', '447', '125', 'c', '469', '231', 'c', '33', 'r', '69', 'p', 'b', '143']

A: 0, 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['223', '55', 'l', '461']

A: 1, 2, 3, 4, 5, 6
****
Q: ['n', '283', '111', 'p', 't', 'g', '91', '93', 'r', '15', 'e', '321', 'q', 'z']

A:
1, 2, 3, 5, 8, 9
****