busca bien eh busca bien
busca bien eh busca bien !
β u s k a WORD_BOUNDARY β j e̞ n WORD_BOUNDARY e̞ WORD_BOUNDARY β u s k a WORD_BOUNDARY β j e̞ n WORD_BOUNDARY
b u s c a WORD_BOUNDARY b i e n WORD_BOUNDARY e h WORD_BOUNDARY b u s c a WORD_BOUNDARY b i e n WORD_BOUNDARY ! WORD_BOUNDARY