biesi[7], bisie[7], disie[6], disis[6], eisis[5],
bied[7], bies[6], ibis[6], bess[6], idei[5], seid[5], idis[5], siei[4], ssie[4],
bid[6], bis[5], des[4], dis[4], eis[3], sie[3],
be[4], bi[4], de[3], id[3], ii[2], es[2], se[2], si[2],
