'dy 'o 'n gneud sŵn
'dy 'o 'n gneud sŵn ?
d ɨː WORD_BOUNDARY  oː WORD_BOUNDARY ɛ n WORD_BOUNDARY ɡ n əɨ d WORD_BOUNDARY s uː n WORD_BOUNDARY
' d y WORD_BOUNDARY ' o WORD_BOUNDARY ' n WORD_BOUNDARY g n e u d WORD_BOUNDARY s ŵ n WORD_BOUNDARY