efą[11], fob[9], fee[7], fen[7], nef[7], efo[7], fon[7], oną[7], bee[5], ben[5], bon[5], eon[3], one[3], non[3],
ef[6], fe[6], be[4], bo[4], ee[2], en[2], eo[2], no[2], on[2],
