nory[5], orny[5], zony[5], ryzo[5], noro[4], ozon[4], zono[4],
ozy[4], ryz[4], ono[3], nor[3], oro[3], zon[3], zoo[3], orz[3],
ny[3], no[2], on[2], or[2], ro[2], oz[2],
