un gris i un blau
un gris i un blau ?
ʊ n WORD_BOUNDARY ɡ ɾ i s WORD_BOUNDARY i WORD_BOUNDARY ʊ n WORD_BOUNDARY b l a w WORD_BOUNDARY
u n WORD_BOUNDARY g r i s WORD_BOUNDARY i WORD_BOUNDARY u n WORD_BOUNDARY b l a u WORD_BOUNDARY