loro[5], rolo[5], nono[4], norn[4], noro[4], ozon[4], zono[4],
lor[4], rol[4], zol[4], non[3], ono[3], nor[3], oro[3], zon[3], zoo[3], orz[3],
no[2], on[2], or[2], ro[2], oz[2],
