let's go
less go
/lɛs ˈɡoʊ/Elision
In real speech
What happens to the sounds
The t in let's disappears between l and s: let's go → “less go”.
When to use it
To get moving or get started: Let's go! On social media it's written “lesgo”.
Casual → formal
Slang
less go / let's goo
Neutral
let's go
Formal
shall we go
Sound notes
Elision: a sound disappears completely (often t, v, h or th).