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.

['x', '281', 'n', '385', '435', 'l', 's', '445', 'n', 'n', '133']
1, 2, 3, 4, 5, 8

['437', '377']
3, 4, 7

['5', 'm', '55', 'z', 'w', '497', 'n', 'u', 'b', '109']

0, 1, 4, 5, 7, 9