of course it is
of course it be
prep n pro:per cop
of course it is .
ʌ v WORD_BOUNDARY k oː ɹ s WORD_BOUNDARY ɪ ɾ WORD_BOUNDARY ɪ z WORD_BOUNDARY
o f WORD_BOUNDARY c o u r s e WORD_BOUNDARY i t WORD_BOUNDARY i s WORD_BOUNDARY