a_ver busca busca las gafas
a ver busca busca las gafas .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY β u s k a WORD_BOUNDARY β u s k a WORD_BOUNDARY l a s WORD_BOUNDARY ɡ a f a s WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY b u s c a WORD_BOUNDARY b u s c a WORD_BOUNDARY l a s WORD_BOUNDARY g a f a s WORD_BOUNDARY . WORD_BOUNDARY