Given the task definition and input, reply with output. In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

Sentence1: Liz and Bill had been in Vegas for the weekend. Sentence2: They were down to their last dollar. Sentence3: Liz put it into a slot machine. Sentence4: It started to ding and chime. Sentence5: She had won the $50,000 jackpot!
Bill, Liz