bys mawr 'dy 'o ia
bys mawr 'dy 'o ia ?
b ɨː s WORD_BOUNDARY m aʊ r WORD_BOUNDARY d ɨː WORD_BOUNDARY  oː WORD_BOUNDARY j ɑː WORD_BOUNDARY
b y s WORD_BOUNDARY m a w r WORD_BOUNDARY ' d y WORD_BOUNDARY ' o WORD_BOUNDARY i a WORD_BOUNDARY