Indexed for both direct and reverse lookup.
okubambaga, okuyuuguuma, okuzunga, okuyenja, okukunkuna, okunnyulula, okutagalimba, okutagatta.
totter, okubambaga, okuyuuguuma, okuzunga, okuyenja, okukunkuna, okunnyulula, okutagalimba, okutagatta.