runo[6], urno[6], ruro[6], ouzo[6], nono[4], norn[4], noro[4], ozon[4], zono[4],
nur[5], run[5], urn[5], oru[5], rur[5], ozu[5], uzo[5], non[3], ono[3], nor[3], oro[3], zon[3], zoo[3], orz[3],
nu[4], no[2], on[2], or[2], ro[2], oz[2],
