Bah

For Sabahan people in Malaysia, "Bah" is the perfect word to say in some question like "Di mana Bah kau?" Mean where are you? And you can use "Bah" word to answer the question like "Iya Bah" mean yes

For example,
Haikal: Di mana bah kau Akil?
Akil: On the way bah aku
Haikal: Bah cepat lah
Akil: Ok stidi bah
Haikal: Bah