'dy 'o ar lan_y_môr
'dy 'o ar lan y môr ?
d ɨː WORD_BOUNDARY  oː WORD_BOUNDARY  a r WORD_BOUNDARY l a n WORD_BOUNDARY ə WORD_BOUNDARY m oː r WORD_BOUNDARY
' d y WORD_BOUNDARY ' o WORD_BOUNDARY a r WORD_BOUNDARY l a n WORD_BOUNDARY y WORD_BOUNDARY m ô r WORD_BOUNDARY