pwy sy 'n wneud sŵn
pwy sy 'n wneud sŵn ?
p uɨ WORD_BOUNDARY s ø WORD_BOUNDARY ɛ n WORD_BOUNDARY ʊ n əɨ d WORD_BOUNDARY s uː n WORD_BOUNDARY
p w y WORD_BOUNDARY s y WORD_BOUNDARY ' n WORD_BOUNDARY w n e u d WORD_BOUNDARY s ŵ n WORD_BOUNDARY