this is a fifty
this be a fifty
pro:dem cop det:art det:num
this is a fifty.
ð ɪ s WORD_BOUNDARY ɪ z WORD_BOUNDARY ʌ WORD_BOUNDARY f ɪ f t i WORD_BOUNDARY
t h i s WORD_BOUNDARY i s WORD_BOUNDARY a WORD_BOUNDARY f i f t y . WORD_BOUNDARY