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.

['173', 'i', 'w', '425', '27', 'd']
1, 2, 3, 4, 5, 7

['235', '17', 'k', 'h', 'o', 'g', '97', 'h', '165']
1, 2, 3, 5, 6, 7, 9

['61', 'q', 'g', 'i', 'i', '471', '221', 'm']

1, 2, 4, 6, 7