benzyn[9], benzen[8],
zenzy[6],
bezy[7], beze[6], zeny[5], zezy[5], zenz[4],
bzy[6], bee[5], ben[5], bez[5], ezy[4], zen[3], zez[3],
by[5], be[4], ny[3], ee[2], en[2], ez[2], ze[2],
