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.

['m', 'c', '139', '433', '29', 'z', '45', 't', 'a', 'n', '297', '45', '281']
1, 2, 3, 4, 5, 7, 8, 9

['x', 's', '497', '239', '197', '191', '7', 'h', '191', '281', '55', '317', '407', '201', 'v']
0, 1, 2, 3, 4, 5, 7, 8, 9

['k', '107', '333', '317', 'm', 'w', 'g', 'f']

0, 1, 3, 7