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: ['19', 'g', '129', '191', 'b', '213', 'n', '227', '475', 'v']

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