#2 Duplicate kana choices

[Tom Johnson]

When using the flashcards with kana, there will
sometimes be duplicate choices. This has been
narrowed down to occurring for the following reason.
When the mode is "Word given, guess translation",
duplicates can occur because the romaji for katakana
and hiragana are the same, and if for example a
katakana "ko" is given, the romaji equivalent of a
hiragana and katakana "ko" may both be displayed as
choices.