The name 'Jordyn' in katakana isジョーダン (jo-dan).
You don't, you spell it with katakana.
Roman (in katakana) = ロマン
Makayla = マケェラ
メルボルン - Meruborun
a million
バッドミントン is how it would be spelled in katakana
Aubri = オーブリ (spelled Ōburi in Romaji)
鴨 /ka mo/ is 'duck' in Japanese. It is also spelled with katakana: カモ.
you can not spell random letters in Japanese
ダニェル (katakana) or danieru (roomaji).
The katakana for Leonard is レナード, and you would pronounce it like "Renaado."
In hiragana, bina is "びな". In katakana, bina is "ビナ".