Comb
Comb
Everything in Bobby's world must contain double letters in each word.
WEARY
GREETING
A computer.
Traffic Light.
He played the piano until he found the right key.
Alpaca.
A person. 4 legs for when you crawl, 2 legs for when you learn to walk, and 3 legs for when your use a stick at an old age
Parallel line
Shadow.
A coffin.