Spoiler:
Group A:
-[œ̃mỹgg]
-[ãnỹgg]
-[ˈʔamɨkk]
< *[ãmỹgg] (Proto-A)
Group B:
-[ə̃βitt]
-[əmets]
-[ə̃mit]
< *[ə̃mittʲ] (Proto-B)
Group C:
-[ambigi]
Group D:
-[ɔɔmiʒdʲ]
-[umiʒdʲ]
-[aamiʒʒ]
< *[aamiʒdʲ]
Group E:
-[amðð]
A *[ãmỹgg]
B *[ə̃mittʲ]
C [ambigi]
D *[aamiʒdʲ]
E [amðð]
< **[ãmbiggi] (Proto-ABCDE)
Group F:
-[vaᵍ!o]
-[vəᵍ!o]
< *[vaᵍ!o] (Proto-F)
Group G:
-[ɒhokdo]
-[ɒɸɔkdo]
< *[ɒɸɔkdo] (Proto-G)
Group H:
-[afə̥xdo]
-[afəiðo]
< *[afəkdo] (Proto-H)
Group I:
-[ɑvəkʟ̝̊o]
-[ɑvəkro]
-[havəkjo]
< *[ɑvəklo] (Proto-I)
F *[vaᵍ!o]
G *[ɒɸɔkdo]
H *[afəkdo]
I *[ɑvəklo]
< **[ɑɸakdo] (Proto-FGHI)
Group J:
-[æpəktɯɯ]
-[ɐbakʰdɯɯ]
-[ɔukdɯɯ]
-[akʷdɯɯ]
< *[apakʰdɯɯ] (Proto-J)
Group K:
-[amə̰ðɯ]
Group L:
-[anɗɯ]
-[amɓɯ]
-[ɒmədɯ̀]
< *[aməɗɯ] (Proto-L)
K [amə̰ðɯ]
L *[aməɗɯ]
< **[aməʔdɯ] (Proto-JL)
ABCDE **[ãmbiggi]
FGHI **[ɑɸakdo]
J *[apakʰdɯɯ]
KL **[aməʔdɯ]
< ***[ãpækʰdɯ] (Proto-World)
-[œ̃mỹgg]
-[ãnỹgg]
-[ˈʔamɨkk]
< *[ãmỹgg] (Proto-A)
Group B:
-[ə̃βitt]
-[əmets]
-[ə̃mit]
< *[ə̃mittʲ] (Proto-B)
Group C:
-[ambigi]
Group D:
-[ɔɔmiʒdʲ]
-[umiʒdʲ]
-[aamiʒʒ]
< *[aamiʒdʲ]
Group E:
-[amðð]
A *[ãmỹgg]
B *[ə̃mittʲ]
C [ambigi]
D *[aamiʒdʲ]
E [amðð]
< **[ãmbiggi] (Proto-ABCDE)
Group F:
-[vaᵍ!o]
-[vəᵍ!o]
< *[vaᵍ!o] (Proto-F)
Group G:
-[ɒhokdo]
-[ɒɸɔkdo]
< *[ɒɸɔkdo] (Proto-G)
Group H:
-[afə̥xdo]
-[afəiðo]
< *[afəkdo] (Proto-H)
Group I:
-[ɑvəkʟ̝̊o]
-[ɑvəkro]
-[havəkjo]
< *[ɑvəklo] (Proto-I)
F *[vaᵍ!o]
G *[ɒɸɔkdo]
H *[afəkdo]
I *[ɑvəklo]
< **[ɑɸakdo] (Proto-FGHI)
Group J:
-[æpəktɯɯ]
-[ɐbakʰdɯɯ]
-[ɔukdɯɯ]
-[akʷdɯɯ]
< *[apakʰdɯɯ] (Proto-J)
Group K:
-[amə̰ðɯ]
Group L:
-[anɗɯ]
-[amɓɯ]
-[ɒmədɯ̀]
< *[aməɗɯ] (Proto-L)
K [amə̰ðɯ]
L *[aməɗɯ]
< **[aməʔdɯ] (Proto-JL)
ABCDE **[ãmbiggi]
FGHI **[ɑɸakdo]
J *[apakʰdɯɯ]
KL **[aməʔdɯ]
< ***[ãpækʰdɯ] (Proto-World)
Spoiler:
Proto-World ***[ãpækʰdɯ]
Proto-ABCDE **[ãmbiggi] ([ṼpV] > [ṼmbV], [kʰd] > [gd] > [gg], [ɯ] > [i], [æC(C)i] > [eC(C)i] > [iC(C)i])
Proto-FGHI **[ɑɸakdo] ([ã] > [ɑ], [p] > [ɸ], [æ] > [a], [kʰd] > [kd], [ɯ] > [u] > [o])
Proto-J *[apakʰdɯɯ] (denasalization, [æ] > [a], final vowels lengthen)
Proto-KL **[aməʔdɯ] ([ṼpV] > [ṼmbV] > [VmV], medial vowel reduction, [kʰd] > [kd] > [ʔd])
Proto-A *[ãmỹgg] (final vowel deletion, [i] rounds to [y] next to labials, [mb] > [m], nasalization spreads)
Proto-B *[ə̃mittʲ] ([mb] > [m], (pretonic?) vowel reduction, [ggi#] > [ɟɟ#] > [cc#] > [ttʲ#])
C [ambigi] (denasalization, geminate voiced obstruents degeminate)
Proto-D *[aamiʒdʲ] ([Ṽ] > [VV], [mb] > [m], [ggi#] > [ɟɟ#] > [ddʲ#] > [ʒdʲ#])
E [amðð] (denasalization, [mb] > [m], [Vggi#] > [Vɟɟ#] > [Vddʲ#] > [Vdd#], [Vðð#], (unstressed?) vowel deletion)
Proto-F *[vaᵍ!o] ([ɸ] > [f], [kd] > [kt] > [!], intervocalic voicing, (pretonic?) vowel deletion)
Proto-G *[ɒɸɔkdo] ([ɑ] > [ɒ], rounding harmony with [a] rounding to [ɔ])
Proto-H *[afəkdo] ([ɑ] > [a], [ɸ] > [f], medial vowel reduction)
Proto-I *[ɑvəklo] ([ɸ] > [f], medial vowel reduction, intervocalic voicing, [kd] > [kl])
J₁ [æpəktɯɯ] (medial vowel reduction, [a] > [æ], [kʰd] > [kt])
J₂ [ɐbakʰdɯɯ] ((pretonic?) vowel reduction, intervocalic voicing)
J₃ [ɔukdɯɯ] ([kʰd] > [kd], [VpV] > [VbV] > [VβV] > [VwV], medial vowel deletion, [Vw] > [Vu], [a(C)u] > [ɔ(C)u])
J₄ [akʷdɯɯ] ([kʰd] > [kd], [VpV] > [VbV] > [VβV] > [VwV], medial vowel deletion, [VwC] > [VCʷ])
K [amə̰ðɯ] ([Vʔ] > [V̰], voiced stops lenite intervocalically)
Proto-L *[aməɗɯ] ([ʔd] > [ɗ])
A₁ [œ̃mỹgg] ([ãCỹ] > [æ̃Cỹ] > [ɶ̃Cỹ] > [œ̃Cỹ])
A₂ [ãnỹgg] ([m] > [n])
A₃ [ˈʔamɨkk] (word-final obstruent devoicing, vowels denasalize, [#V] > [#ʔV], [y] > [ʉ] > [ɨ])
B₁ [ə̃βitt] ([ṼmV] > [ṼβV], final depalatalization)
B₂ [əmets] (vowels denasalize, [iC(C,#)] > [ɪC(C,#)] > [eC(C,#)], final degemination, [tʲ] > [ts])
B₃ [ə̃mit] (final depalatalization, final degemination)
D₁ [ɔɔmiʒdʲ] ([aa] > [ɔɔ])
D₂ [umiʒdʲ] ([aa] > [oo] > [u])
D₃ [aamiʒʒ] ([ʒdʲ] > [ʒʒ])
F₁ [vaᵍ!o] (no change)
F₂ [vəᵍ!o] ((pretonic?) vowel reduction)
G₁ [ɒhokdo] ([ɔ] > [o], [ɸ] > [h])
G₂ [ɒɸɔkdo] (no change)
H₁ [afə̥xdo] ([kd] > [xd], vowels devoice between two voiceless consonants)
H₂ [afəiðo] ([VkdV] > [VidV] > [ViðV])
I₁ [ɑvəkʟ̝̊o] ([l] assimilates in POA and voicing to [k], [ʟ̥] > [ʟ̝̊])
I₂ [ɑvəkro] ([l] > [r])
I₃ [havəkjo] ([#V] > [#hV], [ɑ] > [a], [Cl] > [Cj])
L₁ [anɗɯ] (schwa deletion, [mɗ] > [nɗ])
L₂ [amɓɯ] (schwa deletion, [mɗ] > [mɓ])
L₃ [ɒmədɯ̀] ([a] rounds to [ɒ] next to labials, [ɗV] > [dV̀])
Proto-ABCDE **[ãmbiggi] ([ṼpV] > [ṼmbV], [kʰd] > [gd] > [gg], [ɯ] > [i], [æC(C)i] > [eC(C)i] > [iC(C)i])
Proto-FGHI **[ɑɸakdo] ([ã] > [ɑ], [p] > [ɸ], [æ] > [a], [kʰd] > [kd], [ɯ] > [u] > [o])
Proto-J *[apakʰdɯɯ] (denasalization, [æ] > [a], final vowels lengthen)
Proto-KL **[aməʔdɯ] ([ṼpV] > [ṼmbV] > [VmV], medial vowel reduction, [kʰd] > [kd] > [ʔd])
Proto-A *[ãmỹgg] (final vowel deletion, [i] rounds to [y] next to labials, [mb] > [m], nasalization spreads)
Proto-B *[ə̃mittʲ] ([mb] > [m], (pretonic?) vowel reduction, [ggi#] > [ɟɟ#] > [cc#] > [ttʲ#])
C [ambigi] (denasalization, geminate voiced obstruents degeminate)
Proto-D *[aamiʒdʲ] ([Ṽ] > [VV], [mb] > [m], [ggi#] > [ɟɟ#] > [ddʲ#] > [ʒdʲ#])
E [amðð] (denasalization, [mb] > [m], [Vggi#] > [Vɟɟ#] > [Vddʲ#] > [Vdd#], [Vðð#], (unstressed?) vowel deletion)
Proto-F *[vaᵍ!o] ([ɸ] > [f], [kd] > [kt] > [!], intervocalic voicing, (pretonic?) vowel deletion)
Proto-G *[ɒɸɔkdo] ([ɑ] > [ɒ], rounding harmony with [a] rounding to [ɔ])
Proto-H *[afəkdo] ([ɑ] > [a], [ɸ] > [f], medial vowel reduction)
Proto-I *[ɑvəklo] ([ɸ] > [f], medial vowel reduction, intervocalic voicing, [kd] > [kl])
J₁ [æpəktɯɯ] (medial vowel reduction, [a] > [æ], [kʰd] > [kt])
J₂ [ɐbakʰdɯɯ] ((pretonic?) vowel reduction, intervocalic voicing)
J₃ [ɔukdɯɯ] ([kʰd] > [kd], [VpV] > [VbV] > [VβV] > [VwV], medial vowel deletion, [Vw] > [Vu], [a(C)u] > [ɔ(C)u])
J₄ [akʷdɯɯ] ([kʰd] > [kd], [VpV] > [VbV] > [VβV] > [VwV], medial vowel deletion, [VwC] > [VCʷ])
K [amə̰ðɯ] ([Vʔ] > [V̰], voiced stops lenite intervocalically)
Proto-L *[aməɗɯ] ([ʔd] > [ɗ])
A₁ [œ̃mỹgg] ([ãCỹ] > [æ̃Cỹ] > [ɶ̃Cỹ] > [œ̃Cỹ])
A₂ [ãnỹgg] ([m] > [n])
A₃ [ˈʔamɨkk] (word-final obstruent devoicing, vowels denasalize, [#V] > [#ʔV], [y] > [ʉ] > [ɨ])
B₁ [ə̃βitt] ([ṼmV] > [ṼβV], final depalatalization)
B₂ [əmets] (vowels denasalize, [iC(C,#)] > [ɪC(C,#)] > [eC(C,#)], final degemination, [tʲ] > [ts])
B₃ [ə̃mit] (final depalatalization, final degemination)
D₁ [ɔɔmiʒdʲ] ([aa] > [ɔɔ])
D₂ [umiʒdʲ] ([aa] > [oo] > [u])
D₃ [aamiʒʒ] ([ʒdʲ] > [ʒʒ])
F₁ [vaᵍ!o] (no change)
F₂ [vəᵍ!o] ((pretonic?) vowel reduction)
G₁ [ɒhokdo] ([ɔ] > [o], [ɸ] > [h])
G₂ [ɒɸɔkdo] (no change)
H₁ [afə̥xdo] ([kd] > [xd], vowels devoice between two voiceless consonants)
H₂ [afəiðo] ([VkdV] > [VidV] > [ViðV])
I₁ [ɑvəkʟ̝̊o] ([l] assimilates in POA and voicing to [k], [ʟ̥] > [ʟ̝̊])
I₂ [ɑvəkro] ([l] > [r])
I₃ [havəkjo] ([#V] > [#hV], [ɑ] > [a], [Cl] > [Cj])
L₁ [anɗɯ] (schwa deletion, [mɗ] > [nɗ])
L₂ [amɓɯ] (schwa deletion, [mɗ] > [mɓ])
L₃ [ɒmədɯ̀] ([a] rounds to [ɒ] next to labials, [ɗV] > [dV̀])