aku Barbie aku Barbie
aku barbie aku barbie .
a k u WORD_BOUNDARY b a r b i ə WORD_BOUNDARY a k u WORD_BOUNDARY b a r b i ə WORD_BOUNDARY
a k u WORD_BOUNDARY b a r b i e WORD_BOUNDARY a k u WORD_BOUNDARY b a r b i e WORD_BOUNDARY . WORD_BOUNDARY