be sy 'n 'r ar' gefn
be sy 'n 'r ar' gefn ?
b eː WORD_BOUNDARY s ø WORD_BOUNDARY ɛ n WORD_BOUNDARY ɛ r WORD_BOUNDARY  a r WORD_BOUNDARY ɡ ɛ v n WORD_BOUNDARY
b e WORD_BOUNDARY s y WORD_BOUNDARY ' n WORD_BOUNDARY ' r WORD_BOUNDARY a r ' WORD_BOUNDARY g e f n WORD_BOUNDARY