kufy[12], fuka[11], kufa[11], foku[11], kufo[11], foka[9], yuko[8], okay[6],
kuf[10], ufa[9], ufo[9], fok[8], kyu[7], oku[6], aua[5], oka[4], aaa[3],
fu[8], uf[8], fa[6], ku[5], au[4], ka[3], ko[3], ok[3], aa[2],
