diff --git a/code/epub/epub-allowlists.js b/code/epub/epub-allowlists.js
index 141dfad0..487aeb57 100644
--- a/code/epub/epub-allowlists.js
+++ b/code/epub/epub-allowlists.js
@@ -100,6 +100,12 @@ const FULL_ALLOWLIST = {
       ],
       [NS.epub]: [ 'type' ],
     },
+    'em': {
+      [NS.html]: [
+        ...STYLED_ATTRS,
+      ],
+      [NS.epub]: [ 'type' ],
+    },
     'head': {
       [NS.html]: [
         ...COMMON_ATTRS,
@@ -161,6 +167,12 @@ const FULL_ALLOWLIST = {
       ],
       [NS.epub]: [ 'type' ],
     },
+    'ins': {
+      [NS.html]: [
+        ...STYLED_ATTRS,
+      ],
+      [NS.epub]: [ 'type' ],
+    },
     'li': {
       [NS.html]: [
         ...STYLED_ATTRS,
@@ -196,12 +208,24 @@ const FULL_ALLOWLIST = {
       ],
       [NS.epub]: [ 'type' ],
     },
+    'pre': {
+      [NS.html]: [
+        ...STYLED_ATTRS,
+      ],
+      [NS.epub]: [ 'type' ],
+    },
     'section': {
       [NS.html]: [
         ...STYLED_ATTRS,
       ],
       [NS.epub]: [ 'type' ],
     },
+    'small': {
+      [NS.html]: [
+        ...STYLED_ATTRS,
+      ],
+      [NS.epub]: [ 'type' ],
+    },
     'span': {
       [NS.html]: [
         ...STYLED_ATTRS,
@@ -219,6 +243,12 @@ const FULL_ALLOWLIST = {
         ...COMMON_ATTRS,
       ],
     },
+    'sub': {
+      [NS.html]: [
+        ...COMMON_ATTRS,
+      ],
+      [NS.epub]: [ 'type' ],
+    },
     'table': {
       [NS.html]: [
         ...STYLED_ATTRS,