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In all the world, Longgeng (Longgeng ) is an extremely rare boy's first name.
垄耿, 隆庚, 隆梗, 隆耿, 龙庚, 龙更, 龙耕, and 龙耿
Li, He, Wu, Zhu, Que, Xia, Chen, Gong, Yang, and Cheng