efeb[10], febr[10], fere[8], free[8], geek[7], berd[7], debr[7], gder[7], brek[7], grek[7], rebe[6], kred[6], erek[5],
fee[7], beg[7], ref[7], bek[6], keg[6], bee[5], dek[5], ber[5], erb[5], reb[5], erg[5], der[4], red[4], ker[4], rek[4],
ef[6], fe[6], be[4], de[3], ee[2], er[2], re[2],
