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.

['p', '45', 'z', '85', 'k', 'e', '191', '265', '261', 'w', 'l', '263', 'w']
1, 2, 3, 4, 5, 6, 8, 9

['t', 'p', 'j', 'x', 'k', '295', '221', '261', '221', 'b', '431', '427']
1, 2, 3, 4, 5, 6, 7, 9

['187', '351', 'f', 'k']

1, 3, 5, 7, 8