be 'dy 'r gwahaniaeth
be 'dy 'r gwahaniaeth ?
b eː WORD_BOUNDARY d ɨː WORD_BOUNDARY ɛ r WORD_BOUNDARY ɡ w a h a n j ɑɨ θ WORD_BOUNDARY
b e WORD_BOUNDARY ' d y WORD_BOUNDARY ' r WORD_BOUNDARY g w a h a n i a e t h WORD_BOUNDARY