buny[9], buzy[9], enbu[8], zebu[8], bezy[7], zenu[6], zeny[5],
bun[7], buz[7], bzu[7], bzy[6], ben[5], bez[5], ezy[4], zen[3],
bu[6], by[5], be[4], nu[4], ny[3], en[2], ez[2], ze[2],
