'dy 'o 'n gwerthu nw
'dy 'o 'n gwerthu nw ?
d ɨː WORD_BOUNDARY  oː WORD_BOUNDARY ɛ n WORD_BOUNDARY ɡ w ɛ r θ ø WORD_BOUNDARY n uː WORD_BOUNDARY
' d y WORD_BOUNDARY ' o WORD_BOUNDARY ' n WORD_BOUNDARY g w e r t h u WORD_BOUNDARY n w WORD_BOUNDARY