| 8 Altaic | 8.5.1 Proto-Turkic to Proto-Kypchak | V → V[- round] / U_
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| 10 Austronesian | 10.2.3.1 Proto-Malayic to (Standard) Malay | V → ə / _(C…)UU#
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| 10.2.6 Proto-Malayo-Polynesian to Proto-North Sarawak | a → ə / _UU(U…)#
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| ə → ∅ / #_UU(U…)# “(i.e., in word-initial position in prepenultimate syllables)
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| 17 Indo-European | 17.5.1 Proto-Indo-European to Old Irish | V → ∅ / #UU(_)U(U(_)U) / unstressed; this “remained as a phonologically conditioned rule in OIr”; “[t]hat’s a little unclear, so let me try and enumerate: in words of more than three syllables, every other vowel (only the even ones) dropped, if it’s unstressed. In some words, syncope didn’t apply because it would create an unwieldy consonant cluster: so PIE *komaktyom → OIr cumachte, not *cumchte”
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| 17.7.1 Common Germanic to Gothic | — V[- long] → ∅ / U_C# ! V = u
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| — aj → a / U_#
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| 17.7.2.1.13 Middle English to Yola | U → U[+ stress] / #U_ (often)
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| 17.7.3.1 Proto-Norse to Old Norse | a → ∅ / CC_U#
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| a → ∅ / _U#
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| {B,E} → ∅ / CC_U# ! B = ɒ
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| {B,E} → ∅ / _U# ! B = ɒ
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| V[- long] → ∅ / #U_UU
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| 17.12.1.1.8 Latin to Romanian | a o → ə u / ”U…_#
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| e → ə / ”U…P_(C…)V# ! V = i
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| a → a / #(C…)V…C[+palatal]_…”U
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| a o → ə u / #(C…)V…_…”U
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| e → i / #(C…)V…_n…”U
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| e → ə / #(C…)V…{t,d,n}_…”U
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| e → ə / #{r,P}_…”U
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| o → u / #C…_…”U
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| 42 Uralic | 42.1.1 Pre-Finnic to Proto-Finnic | x → w / {U,O}_C
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| ŋ → w / _{A,O,U}
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| ŋ → w / {O,U}_
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| 42.1.1.1.1 Proto-Finnish to Standard Finnish | k → ɣ → U / {A,O,U}_R ! R = j
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| ʋ → ∅ / _UC
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| ɣ → ʋ / U_U
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| 44 Vasconic | 44.2 Proto-Basque to Basque | e → ∅ / #Ur_
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