If you want to make a submission, make sure the sound is in audio file and the letter appears in this list: https://en.wikipedia.org/wiki/Obsolete_and_nonstandard_IPA_symbols?wprov=sfla1

ob olo do

б is not a symbol

add ƀ ß ∫ 3/ȝ ∂ đ δ ϑ þ

i did b with a left hook

i will do b with left hook