penblwydd pwy 'dy hi heddiw
penblwydd pwy 'dy hi heddiw ?
p ɛ n b l uɨ ð WORD_BOUNDARY p uɨ WORD_BOUNDARY d ɨː WORD_BOUNDARY h iː WORD_BOUNDARY h eː ð ɪu WORD_BOUNDARY
p e n b l w y d d WORD_BOUNDARY p w y WORD_BOUNDARY ' d y WORD_BOUNDARY h i WORD_BOUNDARY h e d d i w WORD_BOUNDARY