(TeX-add-style-hook "sub"
 (function
  (lambda ()
    (TeX-add-symbols
     '("Drireki" 1))
    (TeX-run-style-hooks
     "latex2"
     "jrep10"
     "jreport"
     "a4j"
     "ascmac"
     "twoside"
     "dennou"))))