(setq
 cyphejor-rules
 '(:upcase
   ("bookmark"    "→")
   ("buffer"      "β")
   ("diff"        "Δ")
   ("dired"       "δ")
   ("emacs"       "ε")
   ("fundamental" "Ⓕ")
   ("inferior"    "i" :prefix)
   ("interaction" "i" :prefix)
   ("interactive" "i" :prefix)
   ("lisp"        "λ" :postfix)
   ("menu"        "▤" :postfix)
   ("mode"        "")
   ("package"     "↓")
   ("python"      "π")
   ("shell"       "sh" :postfix)
   ("text"        "ξ")
   ("wdired"      "↯δ")))
(cyphejor-mode 1)