If you don’t remember your last password, you can recover gmail password without phone number and email. Use a previous one that you do remember. The more recent it was, the better.
If you can’t confidently recall any previous passwords, take your best guess.

https://www.helpcentertips.com..../blog/recover-gmail-

How can I recover my Gmail password without phone number and recovery email?

Struggling to recover your Gmail password without access to your phone number or recovery email? Explore detailed steps and alternative methods to regain access to your Gmail account securely and effectively