How can I generate all possible combinations of word list?

[Snoopy]

https://hashcat.net/wiki/doku.php?id=rule_based_attack

./hashcat --force --stdout your_list.txt -r rules/dive.rule > output_list.txt

what op wants to achieve is a task for princeprocessor, dive is a rulesset any not suitable for this case 

https://github.com/hashcat/princeprocessor