Canadian Trigrams

The grid has 12 buttons that contain a 3 letter trigram on them as shown.

The trigrams can be broken up into a set of 2 letters followed by 1 letter, with the first 2 letters being an abbreviation for a Canadian ProvInce.

TRIGRAM	CANADIAN PROVINCE	LETTER
ABC	NU	C
BCS	QC	S
MBT	NT	T
NBN	ON	N
NLA	BC	A
NTV	AB	V
NUN	SK	N
ONA	MB	A
PES	YT	S
QCO	NL	O
SKO	NB	O
YTI	PE	I

These provinces can be arranged by land size

Trigram	CANADIAN PROVENCE	LETTER	Land Size
NUN	NU	N	2,093,190
QCO	QC	O	1,542,056
NTV	NT	V	1,346,106
ONA	ON	A	1,076,395
BCS	BC	S	944,735
ABC	AB	C	661,848
SKO	SK	O	651,036
MBT	MB	T	647,797
YTI	YT	I	482,443
NLA	NL	A	405,212
NBN	NB	N	72,908
PES	PE	S	5,660

Which reveals the final answer in the extra letters of NOVA SCOTIANS