| Secondary Proto-Ea/Aa no. 19 | Secondary Proto-Ea/Aa no. 2 | Secondary Proto-Ea/Aa no. 20 |
| 1. | zi |
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| 2. | zi |
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| 3. | si₂(ZI) |
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| 4. | gi |
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| 5. | ki₂(GI) |
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| 6. | GI |
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| 7. | GI₄ |
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| 8. | gilim(GI-crossed-GI, gil) |
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| 9. | kab |
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| 10. | da |
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| 11. | a₂ |
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| 12. | A₂ |
| Secondary Proto-Ea/Aa no. 19 | Secondary Proto-Ea/Aa no. 2 | Secondary Proto-Ea/Aa no. 20 |