bong[8], bond[7], gong[7], budo[7], dong[6], bund[6], dung[5],
bog[7], bon[6], bug[6], gon[5], don[4], gnu[4], duo[4], dun[3], und[3],
ob[5], go[4], do[3], od[3], on[3], du[2], ud[2], nu[2],