Singular:
* Informal: Wewe (pronounced "way-way")
* Formal: Mwenyekiti (pronounced "mwen-ye-kee-tee") - Literally meaning "chairperson," it's used when addressing someone of higher status.
Plural:
* Informal: Ninyi (pronounced "ni-nyi")
* Formal: Nyinyi (pronounced "ni-nyi") - This is the more formal version of "ninyi."
Note: When speaking to someone for the first time, it's generally best to use the formal "Mwenyekiti" to show respect. Once you've gotten to know them better, you can switch to the informal "Wewe."