a ceffyl a 'r ceffylau
a ceffyl a 'r ceffylau .
a WORD_BOUNDARY k eː f ø l WORD_BOUNDARY a WORD_BOUNDARY ɛ r WORD_BOUNDARY k ɛ f ʌ l aɨ WORD_BOUNDARY
a WORD_BOUNDARY c e f f y l WORD_BOUNDARY a WORD_BOUNDARY ' r WORD_BOUNDARY c e f f y l a u WORD_BOUNDARY