pipie[7], pepsi[7], sepie[6], piesi[6], sepii[6],
pies[5], psie[5], siep[5], spie[5], esie[4], siei[4],
pip[5], pie[4], sep[4], psi[4], eis[3], sie[3],
pe[3], pi[3], ee[2], ii[2], es[2], se[2], si[2],
