Parts we carry - alphabetically sorted.
  Zero to 9     A to AZ       B to CX    
  CY to DQ    DR to GZ     H to LD
  LE to MB     MC to MZ    N to PC
  PD to RZ     S to TA       TB to VE
  VF to ZZ     New Entries: 0 to M    
  New Entries: N to Z