beth sy fewn y bocs
beth sy fewn y bocs ?
b eː θ WORD_BOUNDARY s ø WORD_BOUNDARY v eʊ n WORD_BOUNDARY ə WORD_BOUNDARY b ɔ k s WORD_BOUNDARY
b e t h WORD_BOUNDARY s y WORD_BOUNDARY f e w n WORD_BOUNDARY y WORD_BOUNDARY b o c s WORD_BOUNDARY