what

anything; whatever one likes

any

What?, Huh?

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

interrogative personal pronoun: who, whom

(archaic) interrogative personal pronoun: who, whom

(obsolete, persists in some fossilized expressions) interrogative personal pronoun: who, whom

(with negative verbs) no one, nobody / anyone, anybody

somebody, someone