Unit prefix or if letters such as "T", which are already in use as SI units or prefixes, will again be skipped. Several personal proposals have been made for extending the series of prefixes, with ascending terms such as "xenna, weka, vendeka" (from Greek "ennea" (9), "deka" (10), "endeka" (11)) and descending terms such as "xono", "weco", "vundo" (from Latin "novem/nona" (9), "dec" (10), "undec" (11). Using Greek for ascending and Latin for descending would be consistent with established prefixes such as "deca, hecto, kilo" vs "deci, centi, milli"). Although some of these are repeated on the internet, none are in actual
Sukeban Deka Deka II" added two sidekicks for the main character: Yukino Yajima (Akie Yoshizawa), the refined heiress of a rich family from Kyoto who was also a Japanese martial arts expert, and Kyoko "Marble Okyo" Nakamura (Haruko Sagara), a street-wise Osaka native who excelled at street fighting and the usage of marbles as weapons. Despite those changes, the series actually surpassed the first in popularity, lasting 42 episodes and bringing the possibility of a third installment. After the closure of the second season, Toei conceived an independent spin-off named "Sukeban Ninpucho" (スケバン刑事) to air before "Sukeban Deka III". It would be