4 letter anagrams 15 results firs four fris furs ours roof rori rous soir sori sour sufi surf ufos uroo
3 letter anagrams 40 results fir foo for fou fro frs fur ifs iof ios iou irs iso ofo oof oos orf ors osi ouf oui our rfs rio roi roo ros rus sir sou sri suf sui sur ufo ufs urf uri uro urs