pfe[8], fet[8], tef[8], ref[7], pet[5], per[4], rep[4], ret[4], ter[4], twe[4], wet[4], wte[4], rew[3], wre[3],
ef[6], fe[6], pe[3], et[3], te[3], er[2], re[2], ew[2], we[2],
