VC -oil, 

CV – boy, joy, soy, toy, 

CVC – boil, coil, coin, foil, join, joint, noise, point, soil, 

2 syllables – loyal, noisy, oyster, poison, royal, toilet, 

How to produce this sound

‘oi’ is made up of 2 sounds – ‘aw’ and ‘i’.  Round the lips and make a long ‘aw’ sound and then smile and make a quick ‘i’.