kej[6], cek[5], jen[5], cep[5], jer[5], rej[5], cen[4], cne[4], nep[4], pen[4], cer[4], ker[4], rek[4], per[4], rep[4], ner[3], ren[3],
ej[4], je[4], ce[3], pe[3], en[2], er[2], re[2],