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.

['201', 'm', '157', 's', 'n', 'i', '325', 'x', '247', 'u', '187', 'e', '199']
0, 1, 2, 3, 4, 5, 7, 8, 9

['m', 'c', '139', '433', '29', 'z', '45', 't', 'a', 'n', '297', '45', '281']
1, 2, 3, 4, 5, 7, 8, 9

['b', 'm', 'w', '405', '397', 'x', '13', '401', 's', '171', '379']

0, 1, 3, 4, 5, 7, 9

