- - "Goo-goo" and "boo-boo" (2 words)
- - "Goo goo ga ga," e.g.
- - "Goo goo gaa gaa," for example
- - "Goo-goo," e.g.
- - "Wefwigewator," for instance.
- - Tot's speech
- - Speech that's hard to follow
- - Childish prattle
- - Infantile vocalizations, and a hint to the starts of 17-, 25-, 37- and 50-Across
- - Cooing, maybe
- - "Go bye-bye," e.g.
- - Simple language
- - Nonsensical syllables, maybe
- - Patronization technique
- - It's mostly nonsensical syllables
- - "I wuv oo," e.g.
- - Babbling
- - Nonsensical syllables, perhaps
- - Babbling (2 wds.)
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