Sound Changes Game v3

[とううほうう]

<poffoiç>
[ɓɔɸˈpʌjɪç] → [pɔ˥ɸːɔyɕ˥˩]

[zyma]

<poffoiç>

[pɔ˥ɸːɔyɕ˥˩] > [ˈpʰɔ˥fœs˩]

[とううほうう]

<poffoiç>

[ˈpʰɔ˥fœs˩]　→　[pʰu˥fys˩]

[zyma]

<poffoiç>

[pʰu˥fys˩] > [ˈfyːvysy]

[とううほうう]

<poffoiç>

[ˈfyːvysy]　→　[fyfys]

[zyma]

<poffoiç>

[fyfys] > [vɪˈviːzə]

[とううほうう]

<poffoiç>
[vɪˈviːzə] > [wiwisa]

[zyma]

<poffoiç>

[wiwisa] > [ˈgʷiwiɕæ]

[とううほうう]

<poffoiç>

[ˈgʷiwiɕæ] > [kʷyiɕɛ]

[zyma]

<poffoiç>

[kʷyiɕɛ] > [ˈkyjɪʑɛ]

[とううほうう]

<kȳjē>

[ˈkyjɪʑɛ]　→　[kyːjɛː]

[zyma]

<kȳjē>

[kyːjɛː] > [ˈcɥiːjɛː]

[とううほうう]

<kȳjē>

[ˈcɥiːjɛː]　→　[ʨɥɛː]

[rospyiya]

<kȳjē>

[ʨɥɛː] → [t͡ɕʷɛːɪ̯]

[zyma]

<kȳjē>

[t͡ɕʷɛːɪ̯] > [ˈt͡ɕœːjɪ]

[とううほうう]

<최tsøy>

[ˈt͡ɕœːjɪ]　→　[t͡søy]

[zyma]

<최tsøy>

[t͡søy] > [t͡søˈʔyː]

[とううほうう]

<tsøy> (that han'gul was meant as joke xd)

[t͡søˈʔyː]　→　[t͡sœːy]

[zyma]

<tsøy>

[t͡sœːy] > [ʔysˈtœːvy]

[とううほうう]

<tsøy>

[t͡sœːy] > [ʔysˈtœːvy]

holy hell, what cursed sound change is this?! xd
[ʔysˈtœːvy]　→　[ɥys.tœf]