The rules that use the vocabulary item "rover" are:
land rover a-t
land rover anti tank
land rover a-t
land rover anti tank
land rover recoilless a-t
land rover recoilless anti tank
opfor land rover recoilless a-t
opfor land rover recoilless anti tank
land rover a-t
land rover anti tank
land rover recoilless a-t
land rover recoilless anti tank
opfor land rover recoilless a-t
opfor land rover recoilless anti tank
land rover
swa land rover
land rover
swa land rover
land rover a-t
land rover anti tank
land rover recoilless a-t
land rover recoilless anti tank
opfor land rover recoilless a-t
opfor land rover recoilless anti tank
land rover a-t
land rover anti tank
land rover
swa land rover
land rover a-t
land rover anti tank
land rover
swa land rover