edu[6], ued[6], duo[6], udo[6], uzd[6], ozu[5], uzo[5], deo[4], ode[4], odo[4], doz[4], ezo[3], zoo[3],
ud[5], de[3], do[3], od[3], ee[2], eo[2], ez[2], ze[2], oz[2],
