parti pen+blwydd mawr
parti pen blwydd mawr ?
p a r t ɨ WORD_BOUNDARY p ɛ n WORD_BOUNDARY b l uɨ ð WORD_BOUNDARY m aʊ r WORD_BOUNDARY
p a r t i WORD_BOUNDARY p e n WORD_BOUNDARY b l w y d d WORD_BOUNDARY m a w r WORD_BOUNDARY