This was a fun experiment, but if you want to use something like this you should probably look at WinCompose.
Like XCompose, but for Windows™. Hit Right Alt to start composing!
Install from here. (NB: ʙᴇᴛᴀ βετα ʙᴇᴛᴀ)
Here’s what it looks like in action. The user has pressed ', and WCompose is showing what characters can be pressed next to produce an output (other mappings can be found here):
- Icon by Freepik from www.flaticon.com