α. 1900s– boobele, 1900s– boobola, 1900s– bubala, 1900s– bubale, 1900s– bubbaleh, 1900s– bubbela, 1900s– bubbelah, 1900s– bubbele, 1900s– bubbeleh, 1900s– bubela, 1900s– bubelah, 1900s– bubele, 1900s– bubeleh, 1900s– bubeller.
β. 1900s– bobale, 1900s– bobbalah, 1900s– bobbele, 1900s– bobbeleh, 1900s– bobele, 1900s– bobeleh.