aft[8], taf[8], fet[8], tef[8], fot[8], efy[8], efa[7], fee[7], efo[7], aty[5], ety[5], ate[4], eta[4], tao[4], eto[4],
fa[6], ef[6], fe[6], ty[4], at[3], ta[3], et[3], te[3], ot[3], to[3], ee[2], eo[2],