helo[7], hole[7], ohel[7], tell[7], lole[6],
hel[6], hol[6], het[6], hot[6], lol[5], tle[5], lot[5], ole[4], eto[4],
eh[4], he[4], ho[4], oh[4], el[3], et[3], te[3], ot[3], to[3], eo[2],
