un' altra penna vuoi
un' altra penna vuoi ?
ʊ n WORD_BOUNDARY a l t r a WORD_BOUNDARY p e n n a WORD_BOUNDARY v ʊ ɔ i WORD_BOUNDARY
u n ' WORD_BOUNDARY a l t r a WORD_BOUNDARY p e n n a WORD_BOUNDARY v u o i WORD_BOUNDARY