Just to let you know, your function reports that all the strings pairs listed below are anagrams, and of course there are an infinite number of other cases that it reports false positive.

mn, lo ---
ws, cg ---
cr, du ---
rw, fc ---
ro, jw ---
yp, gn ---
va, ox ---
dc, pw ---
yh, vg ---
te, hy ---
qq, cc ---