one two three four five six seven
one two three four five six seven .
o n ə WORD_BOUNDARY t w o WORD_BOUNDARY t h r ə ə WORD_BOUNDARY f o u r WORD_BOUNDARY f i f ə WORD_BOUNDARY s i k s WORD_BOUNDARY s ə f ə n WORD_BOUNDARY
o n e WORD_BOUNDARY t w o WORD_BOUNDARY t h r e e WORD_BOUNDARY f o u r WORD_BOUNDARY f i v e WORD_BOUNDARY s i x WORD_BOUNDARY s e v e n WORD_BOUNDARY . WORD_BOUNDARY