Table 1.

The list of 36 target words for the child to learn during the trial, and the list of 35 backup words for replacement of those already known by the child.

Thirty-six target words
mummy	daddy	hands	home	toys	book
TV	park	ball	ouch	cat	bye-bye
bed	food	red	green	happy	sad
singing	stop	go	kiss	play	sleeping
hello	help	drink	look	tired	hungry
yes	no	more	please	yummy	thank you
Thirty-five backup words
bump	rainbow	sky	bubbles	belly	music
car	dog	blue	yellow	finished	rub
in	outside	bath-time	night-time	clap	driving
sitting	smiling	yay	brum	dancing	hug
fall	grandma	sister	brother	grandpa	cold
thirsty	hot	feet	teddy	water