diff --git a/wanxiang_algebra.yaml b/wanxiang_algebra.yaml
index d645efa..2eaf89c 100644
--- a/wanxiang_algebra.yaml
+++ b/wanxiang_algebra.yaml
@@ -1105,7 +1105,6 @@ pro:
       - xform/iao(\d)(;.*)$/Ⓒ$1$2/
       - xform/ie(\d)(;.*)$/Ⓧ$1$2/
       - xform/ui(\d)(;.*)$/Ⓥ$1$2/
-      - xform/ou(\d)(;.*)$/Ⓑ$1$2/
       - xform/in(\d)(;.*)$/Ⓝ$1$2/
       - xform/[iu]a(\d)(;.*)$/Ⓦ$1$2/
       - xform/(.+)ao(\d)(;.*)$/$1Ⓚ$2$3/
@@ -1113,6 +1112,7 @@ pro:
       - xform/(.+)ei(\d)(;.*)$/$1Ⓩ$2$3/
       - xform/(.+)an(\d)(;.*)$/$1Ⓙ$2$3/
       - xform/(.+)en(\d)(;.*)$/$1Ⓕ$2$3/
+      - xform/(.+)ou(\d)(;.*)$/$1Ⓑ$2$3/
       - xform/^sh/Ⓤ/
       - xform/^ch/Ⓘ/
       - xform/^zh/Ⓥ/
@@ -1308,7 +1308,6 @@ pro:
       - xform/[iu]ang(\d)(;.*)/Ⓛ$1$2/
       - xform/ang(\d)(;.*)/Ⓗ$1$2/
       - xform/ian(\d)(;.*)/Ⓜ$1$2/
-      - xform/ou(\d)(;.*)/Ⓩ$1$2/
       - xform/iao(\d)(;.*)/Ⓝ$1$2/
       - xform/[iu]a(\d)(;.*)/Ⓧ$1$2/
       - xform/ui(\d)(;.*)/Ⓥ$1$2/
@@ -1318,6 +1317,7 @@ pro:
       - xform/(.+)ao(\d)(;.*)/$1Ⓒ$2$3/
       - xform/(.+)en(\d)(;.*)/$1Ⓕ$2$3/
       - xform/(.+)ei(\d)(;.*)/$1Ⓦ$2$3/
+      - xform/(.+)ou(\d)(;.*)/$1Ⓩ$2$3/
       - xform/^sh/Ⓤ/
       - xform/^ch/Ⓘ/
       - xform/^zh/Ⓥ/