a casa de un amigo
a casa de un amigo .
a WORD_BOUNDARY k a s a WORD_BOUNDARY d e̞ WORD_BOUNDARY u n WORD_BOUNDARY a m i ɡ o̞ WORD_BOUNDARY
a WORD_BOUNDARY c a s a WORD_BOUNDARY d e WORD_BOUNDARY u n WORD_BOUNDARY a m i g o WORD_BOUNDARY . WORD_BOUNDARY