a be sy 'n digwydd 'wan
a be sy 'n digwydd 'wan ?
a WORD_BOUNDARY b eː WORD_BOUNDARY s ø WORD_BOUNDARY ɛ n WORD_BOUNDARY d iː ɡ uɨ ð WORD_BOUNDARY w a n WORD_BOUNDARY
a WORD_BOUNDARY b e WORD_BOUNDARY s y WORD_BOUNDARY ' n WORD_BOUNDARY d i g w y d d WORD_BOUNDARY ' w a n WORD_BOUNDARY