biby[9], bidy[8], bied[7], bisy[7], bies[6], ibis[6], desy[6], disy[6], idei[5], seid[5], idis[5], siei[4],
bib[7], dyb[7], bid[6], bis[5], idy[5], des[4], dis[4], esy[4], eis[3], sie[3],
by[5], be[4], bi[4], de[3], id[3], ii[2], es[2], se[2], si[2],
