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.

['3', '181', 'o', '425', 'f', '391']
1, 2, 3, 4, 5, 8, 9

['u', '419', 'u', 'h', 'k', 'w', 'a', '289', 'd', 'v', 'u', '117', '327', '85', '441']
1, 2, 3, 4, 5, 7, 8, 9

['j', 'w', 'h', 'r', 'w', 'h', 'd', 'f', '81', 'g', '145']

1, 4, 5, 8