refu[10], fezu[10], ferm[9], frez[8], remu[7], zeru[6], mrze[5],
fum[10], muf[10], fru[9], fur[9], ruf[9], ref[7], fez[7], emu[6], mru[6], mur[6], rum[6], muz[6], mer[4], rem[4], zer[3],
fu[8], uf[8], ef[6], fe[6], mu[5], em[3], me[3], er[2], re[2], ez[2], ze[2],
