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.

['99', '245', 'c', '435', '255', 'v']
2, 3, 4, 5, 9

['o', 'f', 'x', '239']
2, 3, 9

['433', '377', '357', '317', 'd', '387', 'c', '163', 'k']

1, 3, 4, 5, 6, 7, 8