fere[8], free[8], sfer[8], pers[5], seps[5], werp[5], eser[4], eses[4], sers[4], serw[4], wers[4],
pfe[8], fee[7], ref[7], fes[7], per[4], rep[4], sep[4], pss[4], ser[3], ewe[3], rew[3], wre[3], swe[3],
ef[6], fe[6], pe[3], ee[2], er[2], re[2], es[2], se[2], ew[2], we[2],
