From fb4f78779b2ca8efef125368f373375aa83bdb16 Mon Sep 17 00:00:00 2001
From: Benjamin <behub92@gmail.com>
Date: Sun, 28 Apr 2024 20:36:12 +0200
Subject: [PATCH] feat: Add kana symbol groupings for double consonants

---
 src/japanese/utils/kana-utils.ts | 39 ++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/japanese/utils/kana-utils.ts b/src/japanese/utils/kana-utils.ts
index 65ac53c..beb5ba4 100644
--- a/src/japanese/utils/kana-utils.ts
+++ b/src/japanese/utils/kana-utils.ts
@@ -157,6 +157,45 @@ const symbolGroupings: [string, string, string][] = [
   ["ぴゃ", "ピャ", "pya"],
   ["ぴゅ", "ピュ", "pyu"],
   ["ぴょ", "ピョ", "pyo"],
+  ["っか", "ッカ", "kka"],
+  ["っき", "ッキ", "kki"],
+  ["っく", "ック", "kku"],
+  ["っけ", "ッケ", "kke"],
+  ["っこ", "ッコ", "kko"],
+  ["っさ", "ッサ", "ssa"],
+  ["っし", "ッシ", "sshi"],
+  ["っす", "ッス", "ssu"],
+  ["っせ", "ッセ", "sse"],
+  ["っそ", "ッソ", "sso"],
+  ["った", "ッタ", "tta"],
+  ["っち", "ッチ", "cchi"],
+  ["っつ", "ッツ", "ttsu"],
+  ["って", "ッテ", "tte"],
+  ["っと", "ット", "tto"],
+  ["っは", "ッハ", "hha"],
+  ["っひ", "ッヒ", "hhi"],
+  ["っふ", "ッフ", "ffu"],
+  ["っへ", "ッヘ", "hhe"],
+  ["っほ", "ッホ", "hho"],
+  ["っや", "ッヤ", "yya"],
+  ["っゆ", "ッユ", "yyu"],
+  ["っよ", "ッヨ", "yyo"],
+  ["っら", "ッラ", "rra"],
+  ["っり", "ッリ", "rri"],
+  ["っる", "ッル", "rru"],
+  ["っれ", "ッレ", "rre"],
+  ["っろ", "ッロ", "rro"],
+  ["っわ", "ッワ", "wwa"],
+  ["っを", "ッヲ", "wwo"],
+  ["っん", "ッン", "nn"],
+  ["っが", "ッガ", "gga"],
+  ["っぎ", "ッギ", "ggi"],
+  ["っぐ", "ッグ", "ggu"],
+  ["っげ", "ッゲ", "gge"],
+  ["っご", "ッゴ", "ggo"],
+  ["っざ", "ッザ", "zza"],
+  ["っじ", "ッジ", "jji"],
+  ["っず", "ッズ", "zzu"],
 ];
 
 const hiraganaLookup = new Map<string, string>([