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.

['z', 'p', '437', '17', '445', 'f', 'y', 'r', 'o', 'h', 'l', 'v', '417', 'k']
1, 3, 4, 5, 7