mhm en un autobús
mhm en un autobús ?
m m WORD_BOUNDARY e̞ n WORD_BOUNDARY u n WORD_BOUNDARY a u t o̞ β u s WORD_BOUNDARY
m h m WORD_BOUNDARY e n WORD_BOUNDARY u n WORD_BOUNDARY a u t o b ú s WORD_BOUNDARY ? WORD_BOUNDARY