#14 The "n" looks great but It's the back curl on the "j" thats still giving me the "g" impression, Maybe just curve the "j" forward a bit, with no curl on the back
#17 looks great right now this is in a tie for 1st place, even though its currently second, I am prob going to change my mind a few times before the contest ends. This is excellent though, great work! A strong contender! Feel free to submit more designs :)
Bamboo stalks idea has been used at this contest, please check entry #19. Also, there's no mention about it in your brief. So, it's a nice idea but it will not be ethical to use it after one of my fellow designer.