Apostrophe
⟨’b⟩ (capital ⟨’B⟩) is used in the Bari alphabet for /ɓ/.
⟨’d⟩ (capital ⟨’D⟩) is used in the Bari alphabet for /ɗ/.
⟨’y⟩ (capital ⟨’Y⟩) is used in the Bari alphabet for /ʔʲ/. It is also used for this sound in the Hausa language in Nigeria, but in Niger, Hausa ⟨’y⟩ is replaced with ⟨ƴ⟩.
Read more about this topic: Lj (digraph)