well i completed the game a few times an heres who i used
1) cloud, red, cid
2) cloud, vincent, cid
3) cloud, tifa, vincent
4) cloud, yuffie, vincent
5) doin it again now with cloud, tifa, yuffie (aeris till i get yuffie)
ps. yall like da limits so use hypers on your team and you will learn limits unbelievabley fast eg. i had climhazzard in the shinra building