aby[6], boy[6], oby[6], hoy[6], bzy[6], hyz[6], abo[5], boa[5], oba[5], hao[5], baz[5], bez[5], ezy[4], ozy[4], eza[3], oaz[3], ezo[3],
by[5], ba[4], be[4], ha[4], eh[4], he[4], bo[4], ho[4], oh[4], eo[2], za[2], ez[2], ze[2], oz[2],