The following macro and string names are used by the ms
package.  Avoid using these names for compatibility with the existing
macros.  An italicized n means that the name
contains a numeral (generally the interpolated value of a
number register).
| , | .] | : | [. | [c | [o | ^ | \` | ~ | 
| 1C | 2C | AB | AE | AI | A n | AT | AU | AX | 
| B | B1 | B2 | BB | BG | BT | BX | C | C1 | 
| C2 | CA | CC | CF | CH | CM | CT | DA | DW | 
| DY | EE | EG | EL | EM | EN | E n | EQ | EZ | 
| FA | FE | FF | FG | FJ | FK | FL | FN | FO | 
| FS | FV | FX | FY | HO | I | IE | IH | IM | 
| I n | IP | IZ | KD | KF | KJ | KS | LB | LG | 
| LP | LT | MC | ME | MF | MH | MN | MO | MR | 
| ND | NH | NL | NP | OD | OK | PP | PT | PY | 
| QE | QF | QP | QS | R | R3 | RA | RC | RE | 
| R n | RP | RS | RT | S0 | S2 | S3 | SG | SH | 
| SM | SN | SY | TA | TC | TD | TE | TH | TL | 
| TM | TQ | TR | TS | TT | TX | UL | US | UX | 
| WB | WH | WT | XF | XK | XP |