Oxygen difluoride reacts very slowly with water to form hydrofluoric acid:
ɑ k s ɪ d̠ʒ ə n WORD_BOUNDARY d ɪ f l ʊ ɹ ɹ aɪ d WORD_BOUNDARY ɹ ɪ æ k t s WORD_BOUNDARY v ɛ ɹ i WORD_BOUNDARY s l oʊ l i WORD_BOUNDARY w ɪ ð WORD_BOUNDARY w ɔ t ə ɹ WORD_BOUNDARY t ə WORD_BOUNDARY f ɔ ɹ m WORD_BOUNDARY h aɪ d ɹ ə f l ʊ ɹ ɹ ɪ k WORD_BOUNDARY æ s ɪ d WORD_BOUNDARY