there once was a wolf who was walking in a f---,sunddenly he fell in a h----.the wolf yelled "H---!H----!" 横线上填什么单词啊?

there once was a wolf who was walking in a f---,sunddenly he fell in a h----.the wolf yelled "H---!H----!" 横线上填什么单词啊?
它的汉语意思是什么？