* "Naange" (pronounced "nange") is a general way to say goodbye. It's polite and can be used in most situations.
* "Aada" (pronounced "ah-da") is a more casual way to say goodbye, often used between friends or family.
* "Ndeŋŋa" (pronounced "nde-n-ga") is a more formal way to say goodbye, often used when addressing someone older or of higher status.
You can also use phrases like:
* "Naa mi ŋaana" (pronounced "na mi n-ga-na") meaning "I am going now".
* "Mbi ŋaana" (pronounced "mbi n-ga-na") meaning "I will go now".
The best way to choose which phrase to use is to consider the context and the person you are speaking to.