pub[8], obu[7], pup[7], buz[7], bzu[7], opu[6], boy[6], oby[6], zup[6], bzy[6], pop[5], opy[5], ozu[5], uzo[5], pyz[5], ozy[4],
bu[6], by[5], bo[4], op[3], po[3], oz[2],