| 10 Austronesian | 10.3.2 Proto-Oceanic to Hiw | u(C)V[+ high] u(C)e u(C)o u(C)a → {u,i}(C) u(C)ə e(C)ə {u,ɵ}(C)ə
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| 10.3.11.1 Proto-Southern Vanuatu to Anejom | ua → ou
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| 17 Indo-European | 17.10.1.1 Proto-Indo-Aryan to Central Middle Indo-Aryan | a{i,j}(a) a{u,w}(a) → e o
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| 17.10.1.2 Proto-Indo-Aryan to Eastern Middle Indo-Aryan | a{i,j}(a) a{u,w}(a) → e o
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| 17.10.1.3 Proto-Indo-Aryan to Northwestern Middle Indo-Aryan | a{i,j}(a) a{u,w}(a) → e o
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| 17.10.1.4 Proto-Indo-Aryan to Western Middle Indo-Aryan | a{i,j}(a) a{u,w}(a) → e o
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| 38 Tai-Kadai | 38.1.1.3.1 Central Tai to Lungchow | u̯əi uəi uai i̯əu iau → oːi uːi uːiau oːu
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| {uəi,uai} iau → uːi eːu
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| 38.1.1.4.2 North Tai to Po-Ai | ua~uə → uː
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| ua~u@̯ → uː
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| uəi uai iau → iː oːi eːu
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| 46 Vowel Shifts | 46.15 Proto-Japanese to Old Japanese Vowel Shift | {u,ɨ}i {,a,i {ɨi,i{a,ə}} u{ɨ,a,ə} → wi e je wo
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