idea[5], odia[5], ideo[5], ooid[5],
hai[5], hao[5], hoi[5], oho[5], dao[4], oda[4], deo[4], ode[4], doi[4], ido[4], odo[4],
ha[4], eh[4], he[4], hi[4], ho[4], oh[4], ad[3], da[3], de[3], id[3], do[3], od[3], eo[2],
