marble /ˈmɑːrbl/ /ˈmɑːbl/
bead /biːd/ /biːd/
vertebra /ˈvɜrtəbrə/ /ˈvɜːtɪbrə/
nut /nˈʌt/ /nˈʌt/
piece /piːs/ /piːs/
stone /stoʊn/ /stəʊn/