dw i 'n sgwennu llythyr
dw i 'n sgwennu llythyr .
d uː WORD_BOUNDARY ɨ WORD_BOUNDARY ɛ n WORD_BOUNDARY s ɡ w ɛ n n ø WORD_BOUNDARY ɬ ʌ θ ø r WORD_BOUNDARY
d w WORD_BOUNDARY i WORD_BOUNDARY ' n WORD_BOUNDARY s g w e n n u WORD_BOUNDARY l l y t h y r WORD_BOUNDARY