boge[8], beug[7], buge[7], budo[7], doge[6], gode[6], bude[6],
bog[7], beg[6], geb[6], beo[6], bug[6], egg[5], ego[5], geo[5], deo[4], ode[4], duo[4],
ob[5], go[4], do[3], od[3], du[2], ud[2],
