efeb[10], beko[7], epok[6],
fob[9], fok[8], pfe[8], fee[7], efo[7], bek[6], bok[6], hep[6], hop[6], bee[5], ehe[5], kop[5], eko[4],
ef[6], fe[6], be[4], eh[4], he[4], bo[4], ho[4], oh[4], ko[3], ok[3], pe[3], op[3], po[3], ee[2], eo[2],