Bateman's tonal notation has four gradations of pitch. 1 is the highest gradation and 4 is the lowest. These are flipped around 3 here, so 2-4-3 is ˦˨˧.
Two tones can appear on the same syllable.
Allophonic rules
ɓ >
m / (non-canonical form - i.e. alternate representation of the phoneme)
ɗ >
n / (non-canonical form - i.e. alternate representation of the phoneme)
ɗ >
l / (non-canonical form - i.e. alternate representation of the phoneme)
ɸ >
x / _i _ɨ
ɸ >~
h / free variation, but /h/ is preferred in the Foi dialect
ɸ >
p / _#
ɛ >
æ / (non-canonical form - i.e. alternate representation of the phoneme)