bufy[13], fumy[12], mufy[12], ufny[11], bumy[10], buny[9], buzy[9], muny[8], muzy[8],
buf[11], fum[10], muf[10], bum[8], umb[8], bun[7], bym[7], buz[7], bzu[7], mun[6], muz[6], bzy[6],
fu[8], uf[8], bu[6], mu[5], by[5], nu[4], my[4], ny[3],
