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As of 806 , Li Shigu was ill , and he asked his staff members Gao Mu ( 高沐 ) and Li Gongdu ( 李公度 ) whom they planned to support as leader if he died — and when Gao and Li Gongdu did not answer quickly , Li Shigu guessed that they planned to support LI Shidao .
 Li Shigu, Li, Li, Li Shigu, Shidao
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Li Shigu, Li, Li, Li Shigu, Shidao