foką[13],
efą[11], fok[8], fee[7], fen[7], nef[7], efo[7], fon[7], oną[7], eko[4], nok[4], eon[3], one[3],
ef[6], fe[6], ko[3], ok[3], ee[2], en[2], eo[2], no[2], on[2],
