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.

['343', 'c', '7', '271', 'm', '151', 'd', 'n', '305', 'y', 'w', '255']
0, 1, 2, 3, 4, 5, 7

['c', 'm', 'h', 'c', '69', '233', 'j', 'g', 'r', 'x', '59', 'p', '469']
2, 3, 4, 5, 6, 9

['r', '119', '29', '71', '425', 'b', 'd']

1, 2, 4, 5, 7, 9