febr[10], fibr[10], bije[8], efir[8], brej[8], brei[6], brie[6],
bej[7], jeb[7], bij[7], ref[7], ber[5], erb[5], reb[5], jer[5], rej[5], rei[3],
ef[6], fe[6], fi[6], be[4], bi[4], ej[4], je[4], ii[2], er[2], re[2],
