Islhontish/Sound Changes

Early Isllen

V → Ṽ / _N
N → Ø / Ṽ_#
Ṽ → V*

[ea] → [ja]

[i e o u] → [e ɛ ɔ o]

[ja] → [ia]

[aj] → [eː]
Vː → V

[h] → Ø

[kʷ] → [k] / _…[kʷ]
[kʷ] → [kw]

[w] → Ø / [k ɡ]_[i e ɛ]
[k ɡ] → [ts dʒ] / _[i e ɛ]

[ns] → [ss]

Ø → [ɛ] / #_[s]C(C)V

Middle Isllen

[t] → Ø / _#

V → Ø / _[r]V́, V́[r]_, except if [rr] would result.
V → Ø / V́[k ts]_[t] / _[-stress]
V → Ø / V́N_[p t ts k] / _[-stress]
V → Ø / [p b t d k ɡ]_[l] / _[-stress]

[ɛ] → Ø / VC_[-stress]#

[ts] → [s] / _[t]

[m] → [n] / _C[-labial]
[n] → [m] / _C[+labial]

[w] → [b]
[si] → [ʃ] / _V

[b d ɡ] → [β ð ɣ] / V_V
[p t s k] → [b d z ɡ] / V_V
C₁ → Ø / _C₁, note [sʃ] → [ʃ]

[β ð ɣ] → Ø / V_V

[mpt nkt] → [nt]
[pt] → [t]

[kti] → [tʃ] / _V
[ni ti di li] → [ɲ ts dz ʎ] / _V

[kt] → [jt]
[jt] → [tʃ]

[pl bl] → [ɸl̥]
[tl dl] → [tl̥]
[kl ɡl] → [kʎ̥]

[p b k] → Ø / _[s ʃ]

[ɛ ɔ] → [ɪ̯e ʊ̯o] / _C., _C# (in closed syllables)

VN → Ṽ / _C, _#

Isllentaillian

[β ð ɣ] → [w d ɡ]
[b d dʒ ɡ z ʒ] → [w t tʃ k s ʃ]

[ɸl̥ tl̥ kʎ̥] → [ɬ tɬ tɬ]

[mp] → [wʔw]
[m p f] → [w ʔw hw]

[wʔw] → [kw]

[ʔw hw] → [ʔ kw]

[ku ko kɔ] → [kw] / _V

[tʃ ʃ] → [tx x]
[tx] → [ts]

[ɲ] → [ʎ]
[ʎ] → [l]
[dz] → [ts]

[ɪ̯e ʊ̯o] → [i u]
[o] → [u] / _#
[e o] → [aɪ̯ aʊ̯]

[aʊ̯] → [aɨ̯]
[aɨ̯] → [aɪ̯]

[ĩ ũ] → [ɛ̃ ɔ̃]
[ãɪ̯̃ ã] → [ɛ̃ ɔ̃]

[r] → [ð]
[ð] → [ɮ]
[ɮ] → [ɬ] / _#
[ɮ] → [l]