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.

['w', '13', 'b', '455', 'b', 'k']
1, 3, 4, 5

['g', '169', '93', 'z', 'h', '493', 'r']
1, 3, 4, 6, 9

['s', '389', 'q', 's', 'q', 'u', '77', 'a', 'l']

3, 7, 8, 9