bomu[9], umbo[9], uboi[8], bimo[7], biom[7],
bum[8], umb[8], obu[7], bim[6], bom[6], mob[6], boi[5], obi[5], moi[4], iii[3],
bu[6], mu[5], bi[4], bo[4], im[3], mi[3], om[3], ii[2],
