bau bau bau bau
bau bau bau bau
on on on on
bau bau bau bau .
b ɐ o WORD_BOUNDARY b ɐ o WORD_BOUNDARY b ɐ o WORD_BOUNDARY b ɐ o WORD_BOUNDARY
b a u WORD_BOUNDARY b a u WORD_BOUNDARY b a u WORD_BOUNDARY b a u WORD_BOUNDARY . WORD_BOUNDARY