Diphthongs

How to pronounce /ɔɪ/ OY as in boy

boynoiseenjoy

How to make it

Start with rounded lips and tongue back, then slide up to EE.

Tongue
Starts back, slides up front
Lips
Rounded, then spread
Voice
One long moving sound

Watch the mouth

Glide from AW upward into EE.

Say it on real English. See if it lands.

Lang Shadow scores /ɔɪ/ every time you say it — in Shorts, in role plays and in your own words — and colours it next to the other 40 sounds.