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

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5 letter words:

diffs12, duffs12,

4 letter words:

diff11, duff11, difs8, fids8, fuds8, suid5,

3 letter words:

iff9, dif7, fid7, fud7, ifs6, sif6, dis4, dui4, ids4, sud4, uds4, sui3,

2 letter words:

if5, di3, id3, is2, si2, us2,