a mynd ar hyd fan hyn rwan
a mynd ar hyd fan hyn rwan .
a WORD_BOUNDARY m ø n d WORD_BOUNDARY  a r WORD_BOUNDARY h ɨː d WORD_BOUNDARY v a n WORD_BOUNDARY h ø n WORD_BOUNDARY r w a n WORD_BOUNDARY
a WORD_BOUNDARY m y n d WORD_BOUNDARY a r WORD_BOUNDARY h y d WORD_BOUNDARY f a n WORD_BOUNDARY h y n WORD_BOUNDARY r w a n WORD_BOUNDARY