bun[7], obu[7], buz[7], bzu[7], bee[5], ben[5], bon[5], bez[5], ozu[5], uzo[5], eon[3], one[3], zen[3], ezo[3], zon[3],
bu[6], be[4], bo[4], nu[4], ee[2], en[2], eo[2], no[2], on[2], ez[2], ze[2], oz[2],
