abba[8], baba[8], bada[7], zdeb[7], baza[6], beza[6], zada[5], adze[5],
bab[7], bad[6], dba[6], baz[5], bez[5], zad[4], zda[4], eza[3],
ba[4], be[4], ad[3], da[3], de[3], aa[2], za[2], ez[2], ze[2],
