Sirena moelelo wa lebitso le letle: E fanang ka, Ela hloko, Bōpo, Mehleng ea kajeno, Botsoalle. Fumana Sirena moelelo oa lebitso.
Riddlebarger lebitso la motumo o motle ka ho fetisisa: Botsoalle, Bohale, Ela hloko, E tebileng, Lehlohonolo. Fumana Riddlebarger se boleloang ke lebitso.
Mabitso a tloaelehileng ka ho fetisisa ka lebitso Sirena: Fruth, Millets, Monsay, Puchalla, Neifert. Fumana Lethathamo la mabitso a nang le lebitso Sirena.
Mabitso a tloaelehileng ka lebitso la ho qetela Riddlebarger: Shayna, Sirena, Gilbert, Jaqueline, Elton. Fumana Mabitso a tsamaeang le Riddlebarger.
Ho lumellana ha Sirena le Riddlebarger ke 78%. Fumana Tšebelisano ea Sirena le Riddlebarger.