rysie[6], serii[5], eisis[5],
sery[5], irys[5], rysi[5], siei[4], sire[4], ssie[4], sers[4],
ery[4], esy[4], rys[4], rei[3], eis[3], sie[3], ser[3], sir[3],
ii[2], er[2], re[2], es[2], se[2], si[2],