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

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5 letter words:

fosse8, seifs8,

4 letter words:

fess7, foes7, foss7, seif7, oses4, seis4,

3 letter words:

efs6, fes6, fie6, foe6, ifs6, ess3, oes3, ose3, sei3, sis3, sos3,

2 letter words:

ef5, fe5, if5, of5, es2, is2, oe2, oi2, os2, si2, so2,