it certainly is vanilla
it certain be vanilla
pro:per adv aux n
it certainly is vanilla .
ɪ t WORD_BOUNDARY s ɜː ʔ n̩ l i WORD_BOUNDARY ɪ z WORD_BOUNDARY v ɐ n ɪ l ə WORD_BOUNDARY
i t WORD_BOUNDARY c e r t a i n l y WORD_BOUNDARY i s WORD_BOUNDARY v a n i l l a WORD_BOUNDARY