pepsi[7], sepie[6],
pies[5], psie[5], siep[5], spie[5], seps[5], spis[5], esie[4], eses[4], ssie[4],
pip[5], pie[4], sep[4], psi[4], pss[4], eis[3], sie[3],
pe[3], pi[3], ee[2], es[2], se[2], si[2],
