What It Scores
GIE is a valid word in the tournament list this site uses. Tile values only, before any premium square: 4 in Scrabble, 5 in Words With Friends, 5 in Wordfeud. The letters break down as G2 I1 E1.
Words Made From The Letters In GIE
1 shorter words come out of these tiles. On a board that matters more than the long play, because a short word on a premium square often beats a long one on plain squares.
2 letter words (1)
Longer Words Containing GIE
GIE appears inside each of these, which is what makes it worth knowing as a hook.
Next: the Word Unscrambler for any letters at all, and the two and three letter lists. Full entry and definition at Merriam-Webster.