Each local government in the state shall adopt one of the alternative forms of government provided for in parts 1 through 7, including one of each suboption authorized:
(1) the commission-executive form (which may also be called the council-executive, the council-mayor, or the commission-mayor form);
(2) the commission-manager form (which may also be called the council-manager form);
(3) the commission form;
(4) the commission-presiding officer form;
(5) the town meeting form; or
(6) the charter form.