bolu[9], bulo[9], lobu[9], lubo[9], ubol[9], bulw[9], ulwo[7], uwol[7], wolu[7],
bul[8], lub[8], obu[7], bol[6], lob[6], lwu[6], ulw[6],
bu[6], lu[5], ul[5], bo[4], wu[4],
