how to make mail acess combo for yahoo (reward included for help)

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I have been struggling to make a start on getting yahoo mail acess combos and data.
 
i understand how sql works and everything and how you dump data but i have only ever done it in a begginer way 
 
i have used tools like tsp gen for my dorks and very low quality tools but ok for begginers and learning
 
i am looking to now make mail acess combos for only yahoo (ALL COUNTRIES)
 
So far i have gathered the domains which i assume are mostly my Keywords in this case which are :

@Yahoo.com
@Yahoo.co.uk
@Yahoo.fr
@Yahoo.in
@Yahoo.pl
@Yahoo.es
@Yahoo.ca
@Yahoo
 
 
they are all the domains i could find but now everyone is telling me to handwrite my dorks 
 
i am struggling to find someone that will help with this and guide me to handwrite my dorks for mail acess combo for yahoo
 
i am willing to give half my combos in return for help with getting theese dorks sorted and combos made
 
like i already said i understand the basics of using sql using notepad++ etc and searcher and scanning for vulns
 
i appreciate anyone who reads this thank you so much for your time and i hope someone can help me out! 
 
Please contact me via discord at ryankapperr#7865
or
Telegram @ryantheman