4 letter anagrams 18 results firs firy foss foys fris oofy oory riss roof ross rosy sirs soir sori sory soso soys sris
3 letter anagrams 37 results fir foo for foy fro frs fry ifs iof ios irs iso iyo ofo oof oos orf ors ory osi rfs rio roi roo ros roy sir sis sos soy sri ssi syr yis yoi yor yrs
2 letter anagrams 25 results fi fo fr fs fy if io ir is of or os oy rf ro rs sf si so sr ss yi yo yr ys