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

['325', '269', '199', '177', 'n', '319', '385', '227', 'o', '393', 'y', 'g', 'f', '347', '109']
0, 1, 2, 3, 4, 5, 6, 7, 8, 9

['b', '171', '223', '293', '273', 'o']

1, 2, 3, 7, 9