Little creatures in human clothes? (5)

I believe the answer is:

moths

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'little creatures' is the definition.
'moths' can be an answer for 'creatures' (moth is a kind of creature). I'm unsure of the 'little' bit.

'in human clothes?' is the wordplay.
'in' indicates putting letters inside.
'human' becomes 'Ms.' (Ms. is an example).
'clothes?' becomes 'oth' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'ms' going around 'oth' is 'MOTHS'.

Can you help me to learn more?

(Other definitions for moths that I've seen before include "Nocturnal insects that breed in cloth" , "Night-flying insects" , "Insects related to butterflies" , "They're attracted to light" .)

I've seen this clue in the Evening Standard.

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