pein[7], penn[7], pinn[7], oien[5], neon[5], none[5], inne[4], nein[4],
epo[7], opi[7], pin[6], oie[4], ion[4], non[4], ein[3], nie[3],
po[6], pi[5], on[3], ei[2], ne[2], in[2],
