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.

['k', '413', '321', '209', 'k', '263']
0, 1, 2, 3, 4, 6, 9

['363', '455']
3, 4, 5, 6

['t', '323', '349', 'b', 'l']

2, 3, 4, 9