kufy[12], fury[11], rufy[11], refu[10], refy[9], kury[8], ryku[8], keru[7], reku[7], kery[6],
kuf[10], fru[9], fur[9], ruf[9], efy[8], ref[7], kyu[7], kur[6], kry[5], ryk[5], ker[4], rek[4], ery[4],
fu[8], uf[8], ef[6], fe[6], ku[5], er[2], re[2],
