fen[7], nef[7], ref[7], frr[7], jen[5], jer[5], rej[5], ner[3], ren[3], wen[3], rew[3], wre[3], wrr[3],
ef[6], fe[6], ej[4], je[4], en[2], er[2], re[2], ew[2], we[2],
