The password on day 11 is universal, and if you’ve seen the lab scene, you can’t miss it
While I can’t just give it to you, I can point you in the right direction....on day 7, if Tyson dies, use the big red word in his epilogue in the vault on day 6 to save his life...once you do that, you’ll get a new scene and it’ll be pretty direct on if you wanna save him...if Benson dies on day 7, think about what Dave says about what the entire scene looked like. Hope this helps