a rhwbeth arall 'fyd
a rhwbeth arall 'fyd ?
a WORD_BOUNDARY h r uː b ɛ θ WORD_BOUNDARY a r a ɬ WORD_BOUNDARY v ɨː d WORD_BOUNDARY
a WORD_BOUNDARY r h w b e t h WORD_BOUNDARY a r a l l WORD_BOUNDARY ' f y d WORD_BOUNDARY