Generally speaking, there are the following types:
Good morning (the first meeting in the morning)
おはようございます。
Ha ha, you go, let's go to Ma Su.
Ohayo, the country is mixed.
Good day (including good morning and good afternoon)
こんにちは。
kon ni chi ha
Empty you seven. Wow
good evening
こんばんは。
Gombanha
Empty bar wow
It also means "hello".
A Japanese teacher is "せんせぃせぃぃせぃ". As long as any of the above sentences are added after it, it means "good teacher".
See you again.
さようなら
Sayunara
Sayo Nala