| 11. | The Board on Geographic Names has been puzzling out place names since 1890.
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| 12. | So trendsetters are left to puzzle out how to sell individuality in mass quantities.
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| 13. | In recent years they have puzzled out why in detail.
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| 14. | Scientists are still puzzling out how this process is interrupted.
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| 15. | He puzzled out the precise molecular structure of many sapogenins.
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| 16. | The results so far show that Russia's tangled customs system can be puzzled out.
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| 17. | Sethra, Verra, Morrolan, and Aliera puzzle out how the Jenoine acquired so much amorphia.
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| 18. | There are John and Paul, huddled together, intimate as brothers, puzzling out a song.
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| 19. | Many tried to puzzle out this bland figure as he carried on his crusade.
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| 20. | While the city rushes to comply, transit police try to puzzle out the hijackers'plan.
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