Ulwandle lwema phezu kweenkomo ezilishumi elinambini: ezintathu zibheke entla, ezintathu zibheke entshonalanga, ezintathu zibheke ezantsi, ezintathu zibheke empumalanga; ulwandle lubekwe phezu kwazo ngaphezulu, imiva yazo yonke isinge phakathi.