ma penso di sì
ma pensa di sì
conj v prep adv
ma penso di sì .
m a WORD_BOUNDARY p ɛ n s o WORD_BOUNDARY d ɪ WORD_BOUNDARY s iː WORD_BOUNDARY
m a WORD_BOUNDARY p e n s o WORD_BOUNDARY d i WORD_BOUNDARY s ì WORD_BOUNDARY