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.

['487', '355', 'm', 's', '367', 'n', '203', 'x', 't', 'v', 'd', '251']
0, 1, 2, 3, 4, 5, 6, 7, 8

['t', '419', 'f']
1, 4, 9

['v', '469', '307', '39', '65', 'g', 'l', '457', 'p', '497', '85']

0, 3, 4, 5, 6, 7, 8, 9