hele[7], helo[7], hole[7], ohel[7], dole[6], zele[5], zole[5],
hel[6], hol[6], ehe[5], dol[5], lee[4], deo[4], ode[4], ole[4], doz[4], zol[4], ezo[3],
eh[4], he[4], ho[4], oh[4], de[3], el[3], do[3], od[3], ee[2], eo[2], ez[2], ze[2], oz[2],
