how far apart they are
how far apart they are .
h aʊ WORD_BOUNDARY f ɑː ɹ WORD_BOUNDARY ɐ p ɑː ɹ t WORD_BOUNDARY ð eɪ WORD_BOUNDARY ɑː ɹ WORD_BOUNDARY
h o w WORD_BOUNDARY f a r WORD_BOUNDARY a p a r t WORD_BOUNDARY t h e y WORD_BOUNDARY a r e WORD_BOUNDARY