belo[7], bole[7], ebol[7], oble[7], bolo[7], lobo[7], obol[7], bezo[6], zole[5],
bel[6], ble[6], bol[6], lob[6], bez[5], ole[4], zol[4], ezo[3], zoo[3], zez[3],
be[4], bo[4], el[3], eo[2], ez[2], ze[2], oz[2],
