huf[11], fru[9], fur[9], ruf[9], fee[7], ref[7], ehe[5], her[5], ewe[3], rew[3], wre[3],
fu[8], uf[8], ef[6], fe[6], hu[6], eh[4], he[4], wu[4], ee[2], er[2], re[2], ew[2], we[2],