yo fui a una tienda
yo fui a una tienda .
i o̞ WORD_BOUNDARY f w i WORD_BOUNDARY a WORD_BOUNDARY u n a WORD_BOUNDARY t j e̞ n d a WORD_BOUNDARY
y o WORD_BOUNDARY f u i WORD_BOUNDARY a WORD_BOUNDARY u n a WORD_BOUNDARY t i e n d a WORD_BOUNDARY . WORD_BOUNDARY