belo[7], bole[7], ebol[7], oble[7], enol[5],
bel[6], ble[6], bol[6], lob[6], ben[5], bon[5], len[4], ole[4], eon[3], one[3],
be[4], bo[4], el[3], en[2], eo[2], no[2], on[2],
