bece[7], eche[7], hece[7], biec[7], becz[7], bicz[7], beze[6], bzie[6], ecie[5], ezie[4],
che[6], ech[6], hec[6], chi[6], ich[6], bee[5], ehe[5], bez[5], biz[5], izb[5], cie[4], cez[4], cze[4], czi[4],
be[4], eh[4], he[4], bi[4], hi[4], ce[3], ci[3], ee[2], ez[2], ze[2],