[lr]
e
[ae][12]
l
1[ae]
[aelr] [ae]2 e-BHF [ae]-ELEV e-exKBFe
(1)[ae]
[ae]
[glr]
g
[aelr] a-BHF [ae]-ELEV e vert [ae][2lr]
a
(1)[ae] r
[ae](2)
[ae]-ELEV
[ae](-ELEV|2)
[ae](-BHF) e-exKBFe
e-exBHF
[ael]
[fglr]