Phase 2 Nonexistence: Nonexistence word plus a noun. A two-word utterance indicating that a person or thing has disappeared.

Utterance Context Explanation
juice allgone after the child has finished drinking all of her juice  
no more cookies after the child has finished eating all of her cookies Even though no more is technically two words, many children use them as one unit, which is referred to as unanalyzed
Daddy bye-bye In response to "Where's Daddy?" Hopefully, you get the point