pfe[8], fen[7], nef[7], fes[7], hem[6], hep[6], kem[5], hen[5], hes[5], men[4], nem[4], nep[4], pen[4], eks[4], mes[4], sem[4], sep[4], sen[3],
ef[6], fe[6], hm[5], eh[4], he[4], em[3], me[3], pe[3], en[2], es[2], se[2],
