un nen i una nena
un nen i una nena .
ʊ n WORD_BOUNDARY n ɛ n WORD_BOUNDARY i WORD_BOUNDARY u n ɐ WORD_BOUNDARY n ɛ n ɐ WORD_BOUNDARY
u n WORD_BOUNDARY n e n WORD_BOUNDARY i WORD_BOUNDARY u n a WORD_BOUNDARY n e n a WORD_BOUNDARY