Escape codes for kana

Can we have escape codes for kana so I can use them to spell Japanese words, game passwords, heck, even license plate numbers?


★じゅういっちゃん★

"AIS TSXQ QDOO TD AISC TDQMIG, HYCTDL,
ZIC HIIUPLB XSHM GDOPHPISX CYTDL."
"QMD XDHCDQ, AIS XDD,
PX QMDCD'X LI CDHPWD.
P VSXQ WSQ RMYQ P MYED KA TA YCT PL."