GEN
     +-------
GLJX | QLXGQJ
      -WYJE
       ====
       PHLRQ
      -PXGNH
       =====
        LHEPJ
       -LXHNY
        =====
         PUXP

base: 13
letters: EGHJLNPQRUWXY
difficulty: hard
missing: U