Baby talk

Here are some of their cute pronunciations, for posterity:

ta-mo-phone (telephone)
eye-key (ice cream)
feep-fop (flip flop)
moe-see-co (motorcycle)
monty-tuck (monster truck)
mook (milk)
fok (frog)
tee-coo (thank-you)
appo-cotter (helicopter)
...