bele[7], lesb[7], pele[6], bess[6], less[5], seps[5], eses[4],
bel[6], ble[6], bee[5], lep[5], pel[5], ple[5], lee[4], sep[4], pss[4],
be[4], el[3], pe[3], ee[2], es[2], se[2],
