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.

['489', 'y', 's', 'x', '203', 't', 'y', '461', 'v', 'k', '371', 'e']
0, 1, 2, 3, 4, 6, 7, 8, 9

['137', '383', 'o', 'z', '199', '329', 'l', 'j', 'p', '469', 'f', 'm', '371', '485']
1, 2, 3, 4, 5, 6, 7, 8, 9

['t', 'd', 'x', '243', '149', 'y']

1, 2, 3, 4, 9