eran unos ratoncitos felices
eran unos ratoncitos felices .
e̞ ɾ a n WORD_BOUNDARY u n o̞ s WORD_BOUNDARY ɾ a t o̞ n s i t o̞ s WORD_BOUNDARY f e̞ l i s e̞ s WORD_BOUNDARY
e r a n WORD_BOUNDARY u n o s WORD_BOUNDARY r a t o n c i t o s WORD_BOUNDARY f e l i c e s WORD_BOUNDARY . WORD_BOUNDARY