nono[4], norn[4], noro[4], nowo[4], wron[4], ozon[4], zono[4], worz[4],
non[3], ono[3], nor[3], oro[3], won[3], owo[3], rwo[3], wrr[3], zon[3], zoo[3], orz[3],
no[2], on[2], or[2], ro[2], oz[2],
