CP2-7 decisions

[MarkGritter]

How would you set the following in Chinese Poker with 2-7 in the middle, using 2-4 scoring?

#1: 2233555668JQA
#2: 4568JK[img]/images/graemlins/heart.gif[/img] 23899JA
#3: 344579TTJJQKA
#4: 22445678TTJQK
#5: 3569J[img]/images/graemlins/diamond.gif[/img] 35789TJQ

Bonus question: What do these hands have in common?

Research question: Do the suits matter even if you can't make a flush?