una sola vez he ido
una sola vez he ido .
u n a WORD_BOUNDARY s o̞ l a WORD_BOUNDARY β e̞ s WORD_BOUNDARY e̞ WORD_BOUNDARY i d o̞ WORD_BOUNDARY
u n a WORD_BOUNDARY s o l a WORD_BOUNDARY v e z WORD_BOUNDARY h e WORD_BOUNDARY i d o WORD_BOUNDARY . WORD_BOUNDARY