bolu[9], bulo[9], lobu[9], lubo[9], ubol[9], lupo[8], oplu[8], polu[8], pulo[8], boru[8], buro[8], luro[7], poru[7],
bul[8], lub[8], pub[8], obu[7], lup[7], pul[7], bru[7], bur[7], bol[6], lob[6], opu[6], lur[6], bor[5], rob[5], oru[5], lor[4], rol[4], por[4], pro[4], rop[4],
bu[6], lu[5], ul[5], bo[4], op[3], po[3], or[2], ro[2],
