efir[8], efor[8], hero[6],
hif[9], efo[7], ref[7], for[7], orf[7], hoi[5], her[5], hor[5], rho[5], rei[3], ero[3], roi[3],
ef[6], fe[6], fi[6], eh[4], he[4], hi[4], ho[4], oh[4], eo[2], er[2], re[2], or[2], ro[2],
