| grammar rule for car |
| grammar rule for hyd |
| grammar rule for nit |
| grammar rule for nitp |
| grammar rule for oxy |
| grammar rule for sul |
| grammar rule for pho |
| grammar rule for mg |
| grammar rule for mn |
| grammar rule for rb |
| grammar rule for k |
| grammar rule for me |
| grammar rule for zn |
| grammar rule for fe |
| grammar rule for cu |
| grammar rule for na |
| grammar rule for ca |
| grammar rule for cl |
| grammar rule for br |
| grammar rule for i |
| grammar rule for f |
| grammar rule for b |
| grammar rule for si |
| grammar rule for cs |
| grammar rule for tl |
| grammar rule for hg |
| grammar rule for H+ |
| grammar rule for Hg++ |
| grammar rule for Mg++ |
| grammar rule for Mn++ |
| grammar rule for Zn++ |
| grammar rule for Fe++ |
| grammar rule for Fe+++ |
| grammar rule for Cu++ |
| grammar rule for Cu+ |
| grammar rule for Rb+ |
| grammar rule for Ca++ |
| grammar rule for K+ |
| grammar rule for Me++ |
| grammar rule for Na+ |
| grammar rule for Cs+ |
| grammar rule for oxy- |
| grammar rule for oxy-- |
| grammar rule for Cl- |
| grammar rule for Br- |
| grammar rule for I- |
| grammar rule for F- |
| grammar rule for r |
| grammar rule for left_r |
| grammar rule for right_r |
| grammar rule for carbon_r |
| grammar rule for x |
| grammar rule for proton |
| grammar rule for carbanion |
| grammar rule for carbonium |
| grammar rule for e- |