bul[8], lub[8], pub[8], bun[7], lup[7], pul[7], bru[7], bur[7], buz[7], bzu[7], lnu[6], lun[6], nul[6], pun[6], lur[6], luz[6], zup[6], nur[5], run[5], urn[5],
bu[6], lu[5], ul[5], nu[4],
