are we best friends
be we good friend
cop pro:sub adj n
are we best friends ?
ɑː ɹ WORD_BOUNDARY w iː WORD_BOUNDARY b ɛ s t WORD_BOUNDARY f ɹ ɛ n d z WORD_BOUNDARY
a r e WORD_BOUNDARY w e WORD_BOUNDARY b e s t WORD_BOUNDARY f r i e n d s WORD_BOUNDARY