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.

['223', '55', 'l', '461']
1, 2, 3, 4, 5, 6

['279', 't', 'e', 'j', '437', '167', 's', 'n']
1, 2, 3, 4, 6, 7, 9

['s', 't', 'c', '299', 'g', '33', 'o', '485', '345', '295', 'm', '345', 'q', '431', '151']

1, 2, 3, 4, 5, 8, 9