oi — voice , noise , boil , point
oy — toy , boy , employ , oyster

Words , phrases and sentences :
/ɔi/ /ai/
boy /bɔi/ buy /bai/
soy /sɔi/ sigh /sai/
moil /mɔil/ mile /mail/
noil /nɔil/ Nile /nail/
the voice of joy a toy and a coin annoy the boys
toil and moil on the soil Roy’s oyster spoil the boy
I’ll leave the choice of the toy to my boy .
He has a noisy voice and spoils our enjoyment .
Their hands were oily and soiled by their toil .
Don’t spoil the boy by giving him too many toys .
It’s a joy to watch Roy playing with his toys .