berem[8], erbem[8], rebem[8], birem[8], erbie[7], remie[6],
brem[7], mbir[7], rebe[6], brei[6], brie[6], erem[5], emir[5], remi[5],
bim[6], bee[5], ber[5], erb[5], reb[5], mee[4], mer[4], rem[4], mir[4], rei[3],
be[4], bi[4], em[3], me[3], im[3], mi[3], ee[2], er[2], re[2],
