fen[7], nef[7], ref[7], kej[6], cek[5], jen[5], jer[5], rej[5], cen[4], cne[4], cer[4], ker[4], rek[4], ner[3], ren[3],
ef[6], fe[6], ej[4], je[4], ce[3], en[2], er[2], re[2],
