梅毒
Méi dú
Qí zhèng
The correct 其正
Fēn zhī shàng
Divide (divergent) upper (above) branch 分枝(上)
Fēn zhī xià
Divide (divergent) lower (below) branch (lower) 分枝(下)
Fēn zhī zhōng
Divide (divergent) branch center (middle) 分枝(中)