zootop[8],
ptozy[8], ptozo[7],
poty[7], pyto[7], topy[7], ptoz[6], pozy[6], pyzo[6], pozo[5],
pyt[6], typ[6], pot[5], top[5], opy[5], pyz[5], oto[4], ozy[4], zoo[3],
ty[4], op[3], po[3], ot[3], to[3], oz[2],
