3 letters:
pic, pig, pik, pil, pin, pip, pit

4 letters:
lich, mich, nycz, peer, pick, pier, pigg, pihl, pill, pimm, ping, pinn, pipp, pith, pitt, pymm, rich, wich, zich

5 letters:
ditch, fitch, hitch, kitch, mitch, niche, patch, peach, perch, picha, piech, pilch, pille, pinch, poach, poche, pooch, pouch, puche, riche, ritch, which, witch, piche

6 letters:
kitsch, mitsch, nitsch, petsch, picher, putsch, pitsch

7 letters:
nitsche, pautsch, petsche, pietsch, pitched, pitcher