Don't forget for each sound you need to put double slash or bracket.
/ w / / j /
[ w ] [ j ]
/ w /
Tongue tip :
Between the teeth
Airstream :
Continuous without interruption
Vocal cord : Not
vibrating
For Example : Thorn,
Method, and Path
/ j /
Tongue tip :
Between the teeth
Airstream :
Continuous without interruption
Vocal cord :
Vibrating
For Example : Those,
Brother, and Smooth
And here are the video on Youtube to hear clearly each sound
American style
/ w / https://www.youtube.com/watch?v=nMB5mX_PGHQ
/ j / https://www.youtube.com/watch?v=1G8SCotE2yg
British Style
/ w / https://www.youtube.com/watch?v=4MpDb-gTipY
/ j / https://www.youtube.com/watch?v=XhqGU1WxOfc
Thank You :)