pwy wnaeth 'o wlychu
pwy wnaeth 'o wlychu ?
p uɨ WORD_BOUNDARY ʊ n ɑɨ θ WORD_BOUNDARY  oː WORD_BOUNDARY l ʌ x ø WORD_BOUNDARY
p w y WORD_BOUNDARY w n a e t h WORD_BOUNDARY ' o WORD_BOUNDARY w l y c h u WORD_BOUNDARY