beth sy 'n digwydd 'wan
beth sy 'n digwydd 'wan ?
b eː θ WORD_BOUNDARY s ø WORD_BOUNDARY ɛ n WORD_BOUNDARY d iː ɡ uɨ ð WORD_BOUNDARY w a n WORD_BOUNDARY
b e t h WORD_BOUNDARY s y WORD_BOUNDARY ' n WORD_BOUNDARY d i g w y d d WORD_BOUNDARY ' w a n WORD_BOUNDARY