It's a canal for Liu's children to be named Dai.

Liu Liu Quyi Liu Quxu Liu Quliang Liu Quning Liu Liu Qujian Liu Quzhe Liu Quxi

Liu Quyi Liu Qucheng Liu Qule Liu Quling Liu Qujia Liu Quliang Liu Qujun Liu Quyang Liu Qujian Liu Quzhao

Liu Liu Liu Liu Liu Liu Qushang Liu Quqiang Liu Qubo Liu Quhong

Liu Quqi Liu Liu Liu Quliang Liu Quzhen Liu Qubao Liu Qumu Liu Quyue