pipie[7], piwie[6], wiewy[6], wywie[6],
pipy[7], ewie[4], iwie[4], wiei[4], wiew[4],
pip[5], pie[4], piw[4], ewy[4], iwy[4], ewe[3], wie[3], wii[3],
pe[3], pi[3], wy[3], ee[2], ii[2], ew[2], we[2], iw[2],
