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

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5 letter words:

fours8,

4 letter words:

four7, fous7, fros7, furs7, orfs7, surf7, ufos7, ours4, sour4,

3 letter words:

for6, fou6, fro6, fur6, orf6, ufo6, ors3, our3, ous3, sou3, sur3,

2 letter words:

of5, or2, os2, ou2, so2, ur2, us2,