mynd adra ar y bws
mynd adra ar y bws .
m ø n d WORD_BOUNDARY a d r a WORD_BOUNDARY  a r WORD_BOUNDARY ə WORD_BOUNDARY b uː s WORD_BOUNDARY
m y n d WORD_BOUNDARY a d r a WORD_BOUNDARY a r WORD_BOUNDARY y WORD_BOUNDARY b w s WORD_BOUNDARY