ubolu[12], bolcu[11], bucol[11],
bucu[11], ulub[11], bolu[9], bulo[9], lobu[9], lubo[9], ubol[9], clou[8],
buu[9], buc[8], bul[8], lub[8], ulu[8], obu[7], cob[6], bol[6], lob[6],
bu[6], uu[6], lu[5], ul[5], bo[4], co[3],
