Handful #13 answer

The seven tiles

I₁N₁R₁E₁I₁N₁T₁

The best three words: 46 points

1. TINNIER 22 points
2. INTERN 12 points
3. INTINE 12 points

The seven-letter word using every tile was TINNIER, which earns the 15-point length bonus on top of its tile values.

Other high scorers

TINIER 12TINNER 12INERT 8INNER 8INNIT 8

There were 31 valid words of three letters or more in these tiles. A word scores the sum of its tile values plus a length bonus (4 letters +1, 5 letters +3, 6 letters +6, 7 letters +15), so one long word usually beats several short ones.