boye[7], bosy[7], bezy[7], szyb[7], bose[6], bezo[6],
boy[6], oby[6], bzy[6], bez[5], esy[4], osy[4], ezy[4], ozy[4], zys[4], ezo[3],
by[5], be[4], bo[4], eo[2], es[2], se[2], os[2], ez[2], ze[2], oz[2],
