bong[8], cong[7], obco[7], bono[6], obon[6], nogo[6], ogon[6], snob[6], song[6], boso[6], boss[6],
cob[6], bon[5], gon[5], noc[4], soc[4], ono[3], nos[3], son[3], oso[3], sos[3],
bo[4], go[4], co[3], no[2], on[2], os[2],
