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.

['t', '175', '163', 'k', '279', '385', 'y', '71', 'g']
1, 2, 3, 5, 6, 7, 8, 9

['73', '199', '189', '27', 'm', '101', '61', '113', 'y', '169']
0, 1, 2, 3, 6, 7, 8, 9

['t', '301', 'n', 'm', '199', '53', 'p', '161']

0, 1, 3, 5, 6, 9