• eobert e. lee,
• dobert e. lee,
• fobert e. lee,
• tobert e. lee,
• 5obert e. lee,
• 4obert e. lee,
• ribert e. lee,
• rkbert e. lee,
• rlbert e. lee,
• rpbert e. lee,
• r0bert e. lee,
• r9bert e. lee,
• rovert e. lee,
• ronert e. lee,
• rohert e. lee,
• rogert e. lee,
• robwrt e. lee,
• robsrt e. lee,
• robdrt e. lee,
• robrrt e. lee

The adjective form of the name "Robert E. Lee" would be "Leeian" or "Lee-esque". However, it is worth mentioning that "Robert E. Lee" is generally used as a proper noun referring to the historical figure, so its adjective form may not be commonly used.