they split into thirds
they split into thirds .
ð eɪ WORD_BOUNDARY s p l ɪ t WORD_BOUNDARY ɪ n t ʊ WORD_BOUNDARY θ ɜː d z WORD_BOUNDARY
t h e y WORD_BOUNDARY s p l i t WORD_BOUNDARY i n t o WORD_BOUNDARY t h i r d s WORD_BOUNDARY