Unscramble SI and you have 2 words, SI itself among them: it scores 2 in Scrabble and 2 in Words With Friends. It has 1 anagram, each with the same 2 points: IS. The 2 letters split into 1 vowel and 1 consonant.
S1I1
Counting the words from SI by length: 2 with 2 letters.
These 6 words have the length of SI, with one letter different:
More 2-letter words: starting with S · ending in I · all 2-letter words
Yes, in all three: Scrabble US and Scrabble UK accept SI, and the list Words With Friends is built on has it too.
| Game | Scrabble US | Scrabble UK | Words With Friends* |
|---|---|---|---|
| SI itself | Yes | Yes | Yes |
| Answers accepted (of 2) | 2 | 2 | 2 |
* Based on the list Words With Friends started from; the live game may differ.
Both answers work in every game checked.
These 12 words take every letter of SI plus a single extra one.