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.