Help With Typing Russian Letters On Microsoft Word Mac

[aitía]

Hello everyone, I would like to type in Russian in my Microsoft Word documents. Most letters are supported with the exception of the following which turn into totally different letters after their key-press:

т -> m
и -> u
п -> n
д ->

(what is this letter called)
г ->

(what is this letter also)
й -> û

I realize there are other similar topics, I had read them, I'm still posting as I would like to receive more detailed instructions tailored to macOS and Version 16.52.