Indexed for both direct and reverse lookup.
okuzingulula, okuvootoola, okulangulula; come untwisted, okusansulukuka, okusattulukuka, okuzingulukuka.
untwist, okuzingulula, okuvootoola, okulangulula; come untwisted, okusansulukuka, okusattulukuka, okuzingulukuka.