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.

['e', 'o', 'c', 'j', 'g', '249', 's', 'b', 'f', '359', '107', 'i']
0, 1, 2, 3, 4, 5, 7, 9

['1', 'm']
1

['h', '109', '71', '289', 'l', '387', '297', 'l', 'g']

0, 1, 2, 3, 7, 8, 9