Affricates.
If you combine a brief
stopping of the air stream
with an obstructed release
which causes some friction,
you will be able to produce the
sounds (ʤ) which is voiceless
and this which is voiced (ʧ).
Nasals.
When te velum is lowered
and the air stream is
allowed to flow out
through the nose to
produce (m), (n), (ɳ ) which
are voiced.