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.

['69', '307', 'l', 'j', '167', 'o', '427', 'j']
0, 1, 2, 3, 4, 6, 7, 9

['b', '329', 'm', 'q', 'k', 'z', 'k', '199', 'v', 'l']
1, 2, 3, 9

['i', '279', '441', '211', 'j', '329', 'm', 'u', '267', 'q']

1, 2, 3, 4, 6, 7, 9

