a betíta una betíta
a betíta una betíta .
a WORD_BOUNDARY β e̞ t i t a WORD_BOUNDARY u n a WORD_BOUNDARY β e̞ t i t a WORD_BOUNDARY
a WORD_BOUNDARY b e t í t a WORD_BOUNDARY u n a WORD_BOUNDARY b e t í t a WORD_BOUNDARY . WORD_BOUNDARY