Billy isn't here is he
Billy be here be he
n:prop cop adv cop pro:sub
billy isn't here is he ?
b ɪ l i WORD_BOUNDARY ɪ z ə n t WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY ɪ z WORD_BOUNDARY h iː WORD_BOUNDARY
b i l l y WORD_BOUNDARY i s n ' t WORD_BOUNDARY h e r e WORD_BOUNDARY i s WORD_BOUNDARY h e WORD_BOUNDARY