ffuf -w <wordlist>:FUZZ -u https://FUZZ.<domain>/
ffuf -w <wordlist>:FUZZ -u https://<domain>/ -H 'Host: FUZZ.<domain>'
ffuf -w <wordlist>:FUZZ -u https://<domain>/FUZZ
ffuf -w <wordlist>:FUZZ -u https://<domain>/FUZZ.php
ffuf -w <wordlist>:FUZZ -u https://<domain>/indexFUZZ
ffuf -w <wordlist>:FUZZ -u https://<domain>/index?FUZZ=key
ffuf -w <wordlist>:FUZZ -u https://<domain>/login -X POST -d 'FUZZ=key' -H 'Content-Type: application/x-www-form-urlencoded'
ffuf -w <wordlist>:FUZZ -u https://<domain>/login -X POST -d 'id=FUZZ' -H 'Content-Type: application/x-www-form-urlencoded'