???????
     +--------
XYNU | YYUHFUJ
      -XYNU
       ====
       WNURF
      -WNHPX
       =====
         XNUU
        -XYNU
         ====
          JRGJ
         -XYNU
          ====
          ????

base: 11
letters: FGHJNPRUWXY
difficulty: medium