Sirena moelelo wa lebitso le letle: E fanang ka, Ela hloko, Bōpo, Mehleng ea kajeno, Botsoalle. Fumana Sirena moelelo oa lebitso.
Kopperman lebitso la motumo o motle ka ho fetisisa: E na le bokhoni, E fanang ka, Mehleng ea kajeno, Botsoalle, Bohale. Fumana Kopperman se boleloang ke lebitso.
Mabitso a tloaelehileng ka ho fetisisa ka lebitso Sirena: Lydom, MacIsaacs, Intrieri, Waase, Cherdron. Fumana Lethathamo la mabitso a nang le lebitso Sirena.
Mabitso a tloaelehileng ka lebitso la ho qetela Kopperman: Eldridge, Daron, Foster, Migdalia, Valentin, Valentín. Fumana Mabitso a tsamaeang le Kopperman.
Ho lumellana ha Sirena le Kopperman ke 78%. Fumana Tšebelisano ea Sirena le Kopperman.