luby[10], belu[9], bule[9], lube[9], bolu[9], bulo[9], lobu[9], lubo[9], ubol[9], boyu[9], byle[8], loby[8], belo[7], bole[7], ebol[7], oble[7], boye[7],
bul[8], lub[8], obu[7], bel[6], ble[6], bol[6], lob[6], leu[6], ule[6], boy[6], oby[6], ole[4],
bu[6], lu[5], ul[5], by[5], be[4], bo[4], el[3], eo[2],
