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.

['497', '247', 'v', '327', '237', '257', '475', 's', '335', 'k']
2, 3, 4, 5, 7, 9

['45', '95', 'y', '363', '265', '307', '309', '423']
0, 2, 3, 4, 5, 6, 7, 9

['p', 't', '171', 'l', '217', '89', 'k', 'f']

1, 2, 7, 8, 9