obre be la boca
obre be la boca .
o β ɾ̺ ə WORD_BOUNDARY β ɛ WORD_BOUNDARY ɫ̺ a WORD_BOUNDARY β o k a WORD_BOUNDARY
o b r e WORD_BOUNDARY b e WORD_BOUNDARY l a WORD_BOUNDARY b o c a WORD_BOUNDARY . WORD_BOUNDARY