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.

['s', '95', 'j', '173', '437', '143', 'n', '357', 'w', '239', '219']
1, 2, 3, 4, 5, 7, 9

['y', '281', '313', '21', 'i', '377', 'e', '111', '71', '231', '409', 'k']
0, 1, 2, 3, 4, 7, 8, 9

['61', '37', '287', '471', '127', '343', '471', '283', 'f']

1, 2, 3, 4, 6, 7, 8