Definition: 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.
Input: ['i', 'r', 'k', '245', '49', '3', '115', 'j', '141', '187', 'd']

1, 2, 3, 4, 5, 7, 8, 9