sut oedd 'o 'n mynd
sut oedd 'o 'n mynd ?
s ø t WORD_BOUNDARY ɔɨ ð WORD_BOUNDARY  oː WORD_BOUNDARY ɛ n WORD_BOUNDARY m ø n d WORD_BOUNDARY
s u t WORD_BOUNDARY o e d d WORD_BOUNDARY ' o WORD_BOUNDARY ' n WORD_BOUNDARY m y n d WORD_BOUNDARY