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', '437', 'o', 'w', 'x', 'e', 'r', 'r', '149', 'd', '391']
1, 3, 4, 7, 9

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

['363', 'w', 'z', '141']

1, 3, 4, 6