дупе angolul

ass [asses]▼(buttocks)
noun
[UK: æs] [US: ˈæs]

balls▼(slang for masculinity, inclusive of strength, courage, and force of will)
noun
[UK: bɔːlz] [US: ˈbɒlz]

bum [bums]▼(informal: butt(ocks) specifically)
noun
[UK: bʌm] [US: ˈbəm]

butt [butts]▼(buttocks)
noun
[UK: bʌt] [US: ˈbət]