cnoto[7],
obco[7], bont[7], boot[7], bono[6], obon[6], snob[6], boso[6], noto[5], tono[5], stoo[5],
cob[6], bot[6], bon[5], noc[4], soc[4], not[4], ton[4], oto[4], sto[4], ono[3], nos[3], son[3], oso[3],
bo[4], co[3], ot[3], to[3], ts[3], no[2], on[2], os[2],
