bite[7], pitt[7], bitw[7], piet[6], pite[6], wite[5], witw[5], wiew[4],
bet[6], bit[6], pet[5], pit[5], tit[5], web[5], pie[4], piw[4], twe[4], wet[4], wte[4], wie[3],
be[4], bi[4], pe[3], pi[3], et[3], te[3], ew[2], we[2], iw[2],