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.

['o', 'e', '187', '153', 'a', '253', 'f']
1, 2, 3, 5, 7, 8

['f', '253', '211', '85', 'm', 'y', 'l', 'r', 't', 'm', '193', 'p', '415', 'h', 'h']
1, 2, 3, 4, 5, 8, 9

['283', 'o', '393', '21']

1, 2, 3, 8, 9