ILC 1 expanded class eX

      eX     group

eU  [eXbWo]	metals
eX  [:]	group, family
eXbWo	metals
eXb	alkali metals, of group 1
eXc	alkaline earth metals, of group 2
eXdWm	transition metals
eXn	boron group, group 13, 3
eXo	carbon group, group 14, 4
eXpWs	nonmetals
eXp	nitrogen group, group 15, 5
eXq	chalcogens, group 6, 16
eXr	halogens, group 17, 7
eXs	noble gases, group 18, 8, 0

or

Facets key
0  under aspect      
1  at time           
2  in place          
3  through process   
4  made of element   
5  with organ        
6  from origin       
7  to destination    
8  like pattern      
9  of kind