5 words for BBK 1–3 letters

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1 letter (2)

b k
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2 letters (2)

bb bk
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3 letters (1)

bbk
Boast – black bird
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Hint 1 meaning
A bird, usually black, of the genus Corvus, having a strong conical beak, with projecting bristles. It has a harsh, croaking note. See Caw.
Hint 2 anagram
RCOW
Hint 3 another clue
Ridicule
23 +1