布薩語有32個字母，它們是：Aa, Ãã, Bb, Dd, Ee, Ẽẽ, Ɛɛ, ɛ̃,
Ff, Gg, Hh, Ii, Ĩĩ, Kk, Ll, Mm, Nn, Oo, Őő, Ɔɔ, ↄ̃,
Pp,
Rr,
Ss,
Tt, Uu, Űũ, Vv, Ww, Yy, Zz。並且有25 個
雙母音，它們是：Aa aa, Ãa ãa, Ee ee, Ẽe ẽe, Ɛɛ ɛɛ, ɛ̃ɛ, Gb gb, Ii ii, Ĩi ĩi, Kp kp, Oo oo, Őo őo, ↄ̃ɔ, Uu uu, Űu űu,
gw, mb, mp,
nd, ng, nk,
ns,
nt, nz。