pyzy[7], zipy[6], pozy[6], pyzo[6], opie[5], piez[5], ozie[4],
opy[5], pyz[5], pie[4], poi[4], zip[4], ezy[4], ozy[4], ezo[3],
pe[3], pi[3], op[3], po[3], eo[2], ez[2], ze[2], oz[2],
