Crossword Genius

Let's copy the foreigners! (5)

Ross

I believe the answer is:

letts

I'm a little stuck... Click here to teach me more about this clue!

'foreigners' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'let's copy the' is the wordplay.
I cannot really understand how this works, but
'the' could be 't' (the is pronounced as a 't' sound in some dialects) and 't' is found within the answer.
'let's' could be 'lets' and 'lets' is present in the leftover letters.
No letters remain.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in the Evening Standard.
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