diff --git a/contrib/unaccent/unaccent.rules b/contrib/unaccent/unaccent.rules
index 99826408ac..bf4c1bd197 100644
--- a/contrib/unaccent/unaccent.rules
+++ b/contrib/unaccent/unaccent.rules
@@ -1107,6 +1107,7 @@
 â	N
 â	No
 â	(P)
+â	P
 â	P
 â	Q
 â	R
@@ -1253,6 +1254,28 @@
 â©´	::=
 â©µ	==
 â©¶	===
+â± 	L
+â±¡	l
+â±¢	L
+â±£	P
+â±¤	R
+â±¥	a
+â±¦	t
+â±§	H
+â±¨	h
+â±©	K
+â±ª	k
+â±«	Z
+â±¬	z
+â±®	M
+â±±	v
+â±²	W
+â±³	w
+â±´	v
+â±¸	e
+â±º	o
+â±¾	S
+â±¿	Z
 ã	,
 ã	.
 ã	0
@@ -1349,6 +1372,82 @@
 ã	Wb
 ã	V/m
 ã	A/m
+ê°	F
+ê±	S
+ê²	AA
+ê³	aa
+ê´	AO
+êµ	ao
+ê¶	AU
+ê·	au
+ê¸	AV
+ê¹	av
+êº	AV
+ê»	av
+ê¼	AY
+ê½	ay
+ê	K
+ê	k
+ê	K
+ê	k
+ê	K
+ê	k
+ê	L
+ê	l
+ê	L
+ê	l
+ê	O
+ê	o
+ê	O
+ê	o
+ê	OO
+ê	oo
+ê	P
+ê	p
+ê	P
+ê	p
+ê	P
+ê	p
+ê	Q
+ê	q
+ê	Q
+ê	q
+ê	V
+ê	v
+ê 	VY
+ê¡	vy
+ê¤	TH
+ê¥	th
+ê¦	TH
+ê§	th
+ê±	d
+ê²	l
+ê³	m
+ê´	n
+êµ	r
+ê¶	R
+ê·	t
+ê¹	D
+êº	d
+ê»	F
+ê¼	f
+ê	T
+ê	t
+ê	N
+ê	n
+ê	C
+ê	c
+ê 	G
+ê¡	g
+ê¢	K
+ê£	k
+ê¤	N
+ê¥	n
+ê¦	R
+ê§	r
+ê¨	S
+ê©	s
+êª	H
 ï¬	ff
 ï¬	fi
 ï¬	fl
