OKAY short of telepathy this is the best way to talk to babies. We taught my younger brother sign language when he was a baby. We still use some of the signs, usually water and potty, especially in public.
Articulation Development: What's normal? (& What Isn't)
Sight Word Graphing - good idea, can adapt for more difficult words and get a newspaper article or a page from a book/story and have them go through and graph how many times the sight words occur from the article/story.