I only know how to type my passwords at normal speed correctly. Like, I have to walk through the muscle memory step by step to get a text version of the password and even that's iffy.
In the rare occasions that my wife needs to use my phone, I need to type my (12 digit) pincode out on a number pad and read it back to her to be sure I get it right. I can type it flawlessly a dozen times a day but if I try to recite it, I screw up the order.
First try: Normal fast
Second try: Push harder in case a key didn't register, still normal fast
Third try: Only use a single finger, selecting every key carefully
The worst is when the password manager (KeePass in this case) is in quick unlock mode in its default configuration "enter the last four characters of your password"
Me: like I can remember how my password ends. Just let me type the whole thing
I had a boring job years ago. We didn't have web access in the office, we did have a typing tutor program
I could already type
So I decided to learn to type again
So now I type on a dvorak layout except for the first login where I must use qwerty. About the time the password expires and must be changed I get to the point where it's muscle memory in both layouts