Scrabble dictionary, Word with Friends, search for words, check words

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4 letter words:

iwis7, rows7, iris4, siri4, sori4,

3 letter words:

iwi6, row6, sow6, wis6, wos6, ios3, iso3, ors3, sir3, sri3,

2 letter words:

ow5, wo5, io2, is2, oi2, or2, os2, si2, so2,