JRH
      +--------
LYMJR | TMULHRL
       -JHTFR
        =====
         HLUPR
        -GMHLJ
         =====
         LYRYJL
        -LLUFPJ
         ======
          LWRWG

base: 12
letters: FGHJLMPRTUWY
difficulty: medium
hints: W << L
missing: W