????????
      +---------
REMHW | UXELHLEQ
       -REMHW
        =====
        PRMXXL
       -PNPUPU
        ======
         PWNRXE
        -PLHYTQ
         ======
          PELUXQ
         -PNPUPU
          ======
          ??????

base: 14
letters: EGHLMNPQRTUWXY
difficulty: medium
missing: G