not boats they don't
not boat they do
neg n pro:sub mod
not boats they don't.
n ɒ tʰ WORD_BOUNDARY b əʊ tʰ s WORD_BOUNDARY ð eɪ WORD_BOUNDARY d əʊ n tʰ WORD_BOUNDARY
n o t WORD_BOUNDARY b o a t s WORD_BOUNDARY t h e y WORD_BOUNDARY d o n ' t . WORD_BOUNDARY