Proto-Letaeric

n r l > nʲ rʲ lʲ/_E

nʲ lʲ > ɲ ʎ

rʲ > ɽ

r>χ/V_C

v, f>Ø

təl>tɬ

l>ɬ/V_V

S>Z/#_

p t k>ʔ/V_#

n>ŋ/V_C, V_(open)

y ø ʉ >Ø/_#, C_C

Ø>ħ/$_V

V# > Vʔ# - vowels no longer permitted to be word final or word initial

s>χ/_{q qʲ}

s>ʃ/_{k kʲ g gʲ}

s sʲ > θ s

k>q/q..._

ɨ ʉ>ɯ u/_{f v p pʲ b bʲ k kʲ g gʲ w m}

y ø ʉ>i e ɨ

a ɑ ɔ > ə ɤ o