bilu[9], buli[9], lubi[9], bulw[9], bili[7], wili[5],
bul[8], lub[8], bil[6], ilu[6], uli[6], lwu[6], ulw[6], liw[4], lwi[4], wii[3],
bu[6], lu[5], ul[5], bi[4], wu[4], li[3], ii[2], iw[2],
