You could use a different password for each service and just write them in a paper notebook.
Paper is generally not susceptible to malware or other ways passwords can leak from a local or hosted password manager.
Paper is generally not susceptible to malware or other ways passwords can leak from a local or hosted password manager.
I guess you could just take pictures of the pages and save them to a thumbdrive or an SDcard, but I prefer the lower-tech solution.
For their use case and technical skill, a safely-stored notepad is best.