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.

['131', '483', 'k', '387', '451', 'j']
1, 3, 4, 5, 7, 8

['339', '473', '485']
3, 4, 5, 7, 8, 9

['y', '5', 'l', '177', '421', '335', 'u', '331', '171']

1, 2, 3, 4, 5, 7