diff --git a/changes/3.0.0-z.md b/changes/3.0.0-z.md
index fc940743d..cae164d03 100644
--- a/changes/3.0.0-z.md
+++ b/changes/3.0.0-z.md
@@ -1,4 +1,5 @@
  * Fixed phonetic ligatures' shape. Now they are connected more closely (#488).
  * Fix shape of U+AB30, U+AB64 and U+1DE7 (#489).
  * Fix export of U+478 and U+479.
- * Fix shape of U+029A, U+1D08, U+1D4C (#491).
\ No newline at end of file
+ * Fix shape of U+029A, U+1D08, U+1D4C (#491).
+ * Add U+AB66 and U+AB67 (#488).
diff --git a/glyphs/autobuild-transformed.ptl b/glyphs/autobuild-transformed.ptl
index 2b29b67ee..75f9a57b8 100644
--- a/glyphs/autobuild-transformed.ptl
+++ b/glyphs/autobuild-transformed.ptl
@@ -584,15 +584,17 @@ glyph-block Autobuild-Transformed : begin
 				save glyphName unicode
 
 	if [not recursive] : createPhoneticLigatures stdShrink stdShrink 1 1 : list
-		list 0x2A3 'd'                       'z'
-		list 0x2A4 'd'                       'ezh'
-		list 0x2A5 'd'                       'zcurlytail'
-		list 0x2A6 't.phoneticLeft'          's.phoneticRight'
-		list 0x2A7 't.phoneticLeft.extended' 'esh'
-		list 0x2A8 't.phoneticLeft'          'ccurlytail'
-		list 0x2A9 'f.straight'              'eng'
-		list 0x2AA 'l.phoneticLeft'          's.phoneticRight'
-		list 0x2AB 'l.phoneticLeft'          'z'
+		list 0x02A3 'd'                       'z'
+		list 0x02A4 'd'                       'ezh'
+		list 0x02A5 'd'                       'zcurlytail'
+		list 0x02A6 't.phoneticLeft'          's.phoneticRight'
+		list 0x02A7 't.phoneticLeft.extended' 'esh'
+		list 0x02A8 't.phoneticLeft'          'ccurlytail'
+		list 0x02A9 'f.straight'              'eng'
+		list 0x02AA 'l.phoneticLeft'          's.phoneticRight'
+		list 0x02AB 'l.phoneticLeft'          'z'
+		list 0xAB66 'd'                       'zrtailBR'
+		list 0xAB67 't.phoneticLeft'          'srtail'
 
 
 	define [createAccentedEquals crowd scale records] : begin
diff --git a/glyphs/letters-unified-basic.ptl b/glyphs/letters-unified-basic.ptl
index c34d332b0..fbc59adcb 100644
--- a/glyphs/letters-unified-basic.ptl
+++ b/glyphs/letters-unified-basic.ptl
@@ -4273,7 +4273,7 @@ glyph-block LetterUnified-Basic : begin
 			include : union
 				dispiro
 					widths.rhs
-					flat (crossRight + ext) 0
+					flat (crossRight) 0
 					curl [Math.min (barleft + tTurn) (crossRight - 1)] 0
 					archv
 					flat barleft tTurn
@@ -4281,7 +4281,7 @@ glyph-block LetterUnified-Basic : begin
 				dispiro
 					widths.rhs
 					flat (crossLeft - HALFSTROKE * TANSLANT) XH
-					curl (crossRight - HALFSTROKE * TANSLANT) XH
+					curl (crossRight - HALFSTROKE * TANSLANT + ext) XH
 			set-anchor 'topright' BASE crossRight  CAP
 
 		sketch # t.narrow