piet[6], pite[6], tipi[6], wite[5], ewie[4], iwie[4], wiei[4],
pet[5], pit[5], pie[4], piw[4], twe[4], wet[4], wte[4], ewe[3], wie[3], wii[3],
pe[3], pi[3], et[3], te[3], ee[2], ii[2], ew[2], we[2], iw[2],
