hep[6], hop[6], hes[5], web[5], sep[4], osp[4], ewo[3], owe[3], swe[3],
be[4], eh[4], he[4], bo[4], ho[4], oh[4], pe[3], op[3], po[3], eo[2], es[2], se[2], os[2], ew[2], we[2],