Fix up some declension issues

src/saimiar_morphology.js

@@ -1,12 +1,13 @@
-const vowelLetters = ['a', 'e', 'ê', 'i', 'o', 'ô', 'u', 'y', 'ø'];
-
 const rootEndingPair = (str) => {
   return { root: str.slice(0, -1), ending: str.slice(-1) };
 };
 
 function declineSaimiar(entry) {
-  const sai = entry.sai;
+  const split = entry.sai.split(" ");
+  const sai = split.at(-1);
   const morph = entry.morph_type;
+
+  let declined;
   if (morph == '-V') {
     return vowelDeclension(sai);
   } else if (morph == '-a/i') {
@@ -69,12 +70,26 @@ function consonantDeclension(sai) {
   };
 }
 
+const vowels = ['a', 'e', 'ê', 'i', 'o', 'ô', 'u', 'y'];
+
 function initalDeclension(sai) {
-  const { root, ending } = rootEndingPair(sai);
+  const initial = sai.slice(0,1);
+  const root = sai.slice(1);
+
+  const finalRootSound = root.slice(-1);
+  const finalVowel = vowels.includes(finalRootSound);
+  const instEnding = finalVowel ? "ŕø" : "ar";
+  const relEnding = finalVowel ? "źi" : "ai";
+
   return {
-    "abs": `${root}${ending}`,
-    "erg": `${root}${ending}na`,
-    "adp": `${root}${ending}s`,
+    "abs": `${initial}${root}`,
+    "erg": `da${root}`,
+    "adp": `i${root}`,
+    "all": `so${root}`,
+    "loc": `xa${root}`,
+    "ell": `tlê${root}`,
+    "inst": `i${root}${instEnding}`,
+    "rel": `${initial}${root}${relEnding}`,
   };
 }