bele[7], beli[7], biel[7], bile[7], pele[6], lepi[6], peli[6], piel[6], pile[6],
bel[6], ble[6], bil[6], bee[5], lep[5], pel[5], ple[5], lip[5], pil[5], lee[4], ile[4], lei[4], pie[4],
be[4], bi[4], el[3], li[3], pe[3], pi[3], ee[2],
