if you don't consider the eight-character configuration, but only talk about mathematical luck, Kong Ruobing, Kong Ruofan, Kong Ruoxi, Kong Ruozhou, Kong Ruocheng and Kong Ruoguang are all very good names.
These names indicate good health, academic success, help in development, smooth sailing and happiness.
Of course, whether it can be used depends on the fortune of numerology.
good luck!