Not sure if there are any food names, but here are some words that start with IP:
6-letter words
ipecac
7-letter words
ipecacs, ipomoea
8-letter words
ipomoeas
10-letter words
iproniazid
11-letter words
ipecacuanha, iproniazids, ipsilateral
12-letter words
ipecacuanhas
13-letter words
ipsilaterally
Some foods that start with PA are:papayapaper noodlespastapatepaw pawspayaya
Yam, yolk, and yarn eggs are some foods that start with the letter y.
Apple sauce
Salmon and sauerbraten are foods. They start with S and end with N.
Udon noodles
Some foods that start with TO: toast Toblerone top round roast tomato tongue Tootsie Pop torte tortellini
need complete information of IP classes
Zesty!
kumquats
Fish
lamb
doritoes