dong[7], nogo[6], ogon[6], song[6], donn[5], sond[5], sodo[5], nono[4],
dog[6], gon[5], dno[4], don[4], odo[4], non[3], ono[3], nos[3], son[3], oso[3],
go[4], do[3], od[3], no[2], on[2], os[2],
