|/oi/ as in oil|
|There are two ways of spelling the sound /oi/ : oi and oy|
Spelling rules for oi and oy in words of one syllable:
Use oi in the middle of a word
Use oy at the end.
Some examples of oi and oy words:
|oi as in oil||oy as in boy|
|Take a test in these oi and oy words|