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.

['i', 'b', 'w', '409', 'f', '67', 's', '21', 'y', 'c', '401', 'f', 'k', '319']
0, 1, 2, 3, 4, 6, 7, 9

['255', 'u', 's', 'g', '445']
2, 4, 5

['c', '475', 'd', '371', 'u', 'd', 'm', '325', '199', '61', 'z', 'u']

1, 2, 3, 4, 5, 6, 7, 9