3A, *3DARRAY
3DO, *3DORBIT
3F, *3DFACE
3P, *3DPOLY
ARC, *ARC
ADC, *ADCENTER
AREA, *AREA
AL, *ALIGN
AP, *APPLOAD
AR, *ARRAY
-AR, *-ARRAY
ATT, *ATTDEF
-ATT, *-ATTDEF
ATE, *ATTEDIT
-ATE, *-ATTEDIT
ATTE, *-ATTEDIT
B, *BLOCK
-B, *-BLOCK
BH, *BHATCH
BO, *BOUNDARY
-BO, *-BO