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.

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

['483', '409', '129', 'u', '167', '275', 'p', '163', 'r', 'q', 'i', '481', 'j', '271']
0, 1, 2, 3, 4, 5, 6, 7, 8, 9

['f', '433', '441', 'x', '47']

1, 3, 4, 7