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You can estimate the time to run the attack by executing the built-in benchmark. Please refer to the following table for the number of possible password combinations:
| Charset | Length | Passwords | 
| All printable | 1..6 | 742,912,032,768 | 
| Digits, small/capital, space | 7 | 3,938,980,724,736 | 
| Digits, small letters, space | 8 | 3,512,479,514,624 | 
| Digits, capital letters, space | 8 | 3,512,479,514,624 | 
| Digits | 9..11 | 1,110,999,957,504 | 
| Small letters, space | 9 | 7,625,596,993,536 | 
| Capital letters, space | 9 | 7,625,596,993,536 |