fydd 'o 'n iawn bydd
fydd 'o 'n iawn bydd .
v ɨː ð WORD_BOUNDARY  oː WORD_BOUNDARY ɛ n WORD_BOUNDARY j aʊ n WORD_BOUNDARY b ɨː ð WORD_BOUNDARY
f y d d WORD_BOUNDARY ' o WORD_BOUNDARY ' n WORD_BOUNDARY i a w n WORD_BOUNDARY b y d d WORD_BOUNDARY