Sm (tupi uainumbí) O mesmo que guainumbi.
Vogais: aiui
Consoantes: mnmb
maimbu, maiambu, mainibu, manimbu, manimbé, mamba, mambu, membi, mabiú, mahuba.
luncúmbi, cacumbi, marumbi, humbi, ticumbi, guinumbi, lucúmbi, guanumbi, corumbi, cazumbi, quicumbi, culumbi, vumbi, guainumbi, Morumbi.