vahe lahi ange: monumanu ngutu ʻuluaki (protostomata) ko e luo ʻuluaki ʻo e monumanu kei ʻi he foʻimanu (pe kete) ʻoku hoko ki he ngutu, ko e luo hono ua, kapau ʻoku ʻi ai, ʻe hoko ki he ʻusi