ferm[9], firm[9], efir[8], sfer[8], emir[5], remi[5], sire[4],
ref[7], fes[7], fis[7], mer[4], rem[4], mir[4], mes[4], sem[4], mis[4], sim[4], rei[3], eis[3], sie[3], ser[3], sir[3],
ef[6], fe[6], fi[6], em[3], me[3], im[3], mi[3], er[2], re[2], es[2], se[2], si[2],
