			*New Pi	Ident(+ to -) in RNU	Ident(-B to +B)	*i u	*i u in RNU	Ident(+B to -B)	Agree(back) in high
			*New Pi	Ident(+ to -) in RNU	Ident(-B to +B)	*i u	*i u in RNU	Ident(+B to -B)	Agree(back) in high
itu RB	iti	1						1	
	itu					1			1
	utu				1				
ipu	ipu	1				1			1
	ipi		1					1	
	upu				1				
pi	pi	1							
	pu				1				
uti	uti	1							1
	utu				1				
	iti							1	
[ i ] - u - u	[ i ] - i - i	1						2	
	[ i ] - u - u					1			1
	[ u ] - u - u				1				
[ i ] - pu	[ i ] - pu	1				1			1
	[ i ] - pi		1					1	
	[ u ] - pu				1				
[ i ] - a - u	[ i ] - a - u								
	[ i ] - a  - i							1	
[ u ] - i 	[ u ] - i 	1							1
	[ u ] - u				1				
	[ i ] - i 							1	
"[ u ] - { i, u }"	[ u ] - u	1							
	[ u ] - i 								1
	[ i ] - i 							1	
[ a i i ] - rnu SPECIAL	[ a u u ] - rnu	1			2				
	[ a i i ] - rnu					1	1		1
	[ a i i ] - rni			1				1	
	[ a i u ] - rnu				1	1	1		1
