bodu[9], budo[9], dudo[8], dobo[7], dodo[6],
bud[8], dud[7], obu[7], bod[6], edu[6], ued[6], duo[6], udo[6], deo[4], ode[4], odo[4],
bu[6], ud[5], be[4], bo[4], de[3], do[3], od[3], eo[2],
