helo[7], hole[7], ohel[7], lole[6], lewo[5], wole[5],
hel[6], hol[6], lol[5], ole[4], lew[4], ewo[3], owe[3],
eh[4], he[4], ho[4], oh[4], el[3], eo[2], ew[2], we[2],
