Place dried fungus, mushrooms, and lily buds in a bowl and cover with boiling water - Let soak for 20 minutes and then remove and cut off any woody ends and slice into thin strips (Save ½ cup of soaking liquid for pork marinade)
Mix together ½ cup mushroom soaking liquid, 2 tsp soy sauce, 1 tsp sesame oil, and corn starch in a bowl until smooth - Add Pork - Mix to coat well - Allow pork to marinate for 20 minutes
Place a 6 - 8 quart stock pot over medium high heat - Add chicken broth and bring to a boil
Add bamboo shoots, fungus, mushrooms, lily buds, and tofu - Return to a boil
Sir in salt, vinegars, the remaining soy sauce and sesame oil – Return to a boil
While continually stirring, add the pork and marinade - Return to a boil
Remove from heat and while slowly stirring in one direction, add the egg slowly so that it instantly cooks in 'ribbons'
Add green onion and white pepper to taste
Adjust seasoning and serve with a drizzle of hot chile oil and a few slices of extra green onion if desired