feie[7], fese[7], fies[7], seif[7], eies[4], eise[4],
fee[6], fei[6], ces[6], sec[6], fes[6], cis[6], sic[6], fis[6], see[3], eis[3], sei[3], sie[3],
ei[2], es[2], si[2],
