aku aku aku berenang berenang
aku aku aku berenang berenang .
a k u WORD_BOUNDARY  a k u WORD_BOUNDARY  a k u WORD_BOUNDARY b ə r ɛ n a ŋ WORD_BOUNDARY b ə r ɛ n a ŋ WORD_BOUNDARY
a k u WORD_BOUNDARY a k u WORD_BOUNDARY a k u WORD_BOUNDARY b e r e n a n g WORD_BOUNDARY b e r e n a n g WORD_BOUNDARY