you don't write j
you do write
pro:per mod v
you don't write j .
j uː WORD_BOUNDARY d oʊ n t WORD_BOUNDARY ɹ aɪ t WORD_BOUNDARY d̠ʒ eɪ WORD_BOUNDARY
y o u WORD_BOUNDARY d o n ' t WORD_BOUNDARY w r i t e WORD_BOUNDARY j WORD_BOUNDARY