beli[7], biel[7], bile[7], libr[7], lepi[6], peli[6], piel[6], pile[6], brei[6], brie[6], lepr[6], perl[6], birr[6], riel[5], peri[5],
bel[6], ble[6], bil[6], lep[5], pel[5], ple[5], lip[5], pil[5], pip[5], ber[5], erb[5], reb[5], brr[5], ile[4], lei[4], pie[4], lir[4], per[4], rep[4], prr[4], rei[3],
be[4], bi[4], el[3], li[3], pe[3], pi[3], er[2], re[2],
