and a bad bad headache
and a bad bad headache .
 a n t WORD_BOUNDARY  ɑː WORD_BOUNDARY b ɑː t WORD_BOUNDARY b ɑː t WORD_BOUNDARY h eː a d a x ə WORD_BOUNDARY
a n d WORD_BOUNDARY a WORD_BOUNDARY b a d WORD_BOUNDARY b a d WORD_BOUNDARY h e a d a c h e WORD_BOUNDARY