bud[8], obu[7], bad[6], dba[6], bod[6], uda[6], edu[6], ued[6], duo[6], udo[6], bee[5], abo[5], boa[5], oba[5], dao[4], oda[4], deo[4], ode[4], odo[4],
bu[6], ud[5], ba[4], be[4], bo[4], au[4], ad[3], da[3], de[3], do[3], od[3], ee[2], eo[2],
