bumu[11], umbu[11], bumy[10], bimy[8], umie[7],
buu[9], bum[8], umb[8], muu[8], bym[7], bim[6], emu[6],
bu[6], uu[6], mu[5], by[5], be[4], bi[4], my[4], em[3], me[3], im[3], mi[3],
