| Proto-Northern |
| North-Northern |
| West-Northern |
| Ancient IK |
| Old IK |
| EMIK |
| (Middle) I·Kronurum |
| Early Modern IK |
|
Northern MoIK
|
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Southern MoIK
|
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Insular MoIK
|
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|
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| Old Eastern IK |
|
North-Eastern MoIK
|
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South-Eastern MoIK
|
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|
|
| Old [...] |
Modern [...]
|
|
| Old [...] |
Modern [...]
|
|
| Old [...] |
Modern [...]
|
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|
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| Old [...] |
Middle [...]
|
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| [...] |
[...]
|
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| Ancient [...] |
|
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| East-Northern |
[...]
|
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| South-Northern |
[...]
|
|
| [...] |
[...]
|
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