Kuhle ukwazi
Kuzo zonke Izinkumbulo, u-M no-ANS kuphela abangasetshenziswa kumodi ye-COMPLEX; u-A kuya ku-F, u-X no-Y abanakwazi ukusetshenziswa. Uma ukhetha Enye imodi, ingxenye ecabangayo yenombolo eku-M noma eku-ANS iyasulwa. Izinombolo ezinengxenye ecabangayo eyiqanda, noma i-engeli yazo eyiqanda, zithathwa Izinombolo zangempela.