| cn | Beijing Hong Kong Macau People's Republic of China Shanghai Taiwan Tianjin |
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| cnbjs | Beijing |
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| cnc | 55 Cancri |
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| cnd | Campaign for Nuclear Disarmament |
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| cnmi | Northern Mariana Islands |
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| cnsha | Shanghai |
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| cnut | Canute the Great |
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| cnw | Chicago and North Western Railway |
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| cny | Renminbi |
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