و آر ایل:https://3.bp.blogspot.com/-JHG_0mKmG_c/XZnjJCSHBUI/AAAAAAAAIOA/QvHH0mTyCf474J8nTv-Iq0vHYLST71DqgCLcBGAsYHQ/s1600/big-printable-alphabet-letter-f.jpg
و آر ایل:https://semandlajc0dblearning.z13.web.core.windows.net/things-with-the-letter-f.html
