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.

['q', 'a', '149']
1, 4, 9

['t', '419', 'f']
1, 4, 9

['7', '475', 'r', 'n', '365', '45', 'w', '425', 'd', 'c', 'r', '431']

1, 2, 3, 4, 5, 6, 7