On the Subject of Katakana

プリーズ ベストウ ミー ウィズ サム グッド フレイバー テキスト、 オー グレート ワン~

Underneath the veil of a dark module, a vibrant green Japanese symbol surfaces. To those unfamiliar, its intense stare cuts through the abyss.

Using your keyboard, enter the corresponding romaji (the English transcription of Japanese) for each displayed character to solve the module.
There are 5 stages in total. A strike will occur upon an incorrect submission and the displayed character(s) will change, but the current stage number will not change.

カタカナ Katakana Chart

Single Characters
aiueo
a i u e o
k ka ki ku ke ko
s sa shi su se so
t ta chi tsu te to
n na ni nu ne no
h ha hi fu he ho
m ma mi mu me mo
y ya yu yo
r ra ri ru re ro
w wa wo
n
g ga gi gu ge go
z za ji zu ze zo
d da ji zu de do
b ba bi bu be bo
p pa pi pu pe po
Dual Characters
kキャ kyaキュ kyuキョ kyo
nニャ nyaニュ nyuニョ nyo
sシャ shaシュ shuショ sho
cチャ chaチュ chuチョ cho
hヒャ hyaヒュ hyuヒョ hyo
mミャ myaミュ myuミョ myo
rリャ ryaリュ ryuリョ ryo
gギャ gyaギュ gyuギョ gyo
jジャ jyaジュ jyuジョ jyo
jヂャ jyaヂュ jyuヂョ jyo
bビャ byaビュ byuビョ byo
pピャ pyaピュ pyuピョ pyo