A taxonomy guide for emotionally descriptive vocabulary on IRC

• heh family
• heh -- grunt
• hehe -- chuckle
• hehehe -- chortle
• hehehehe -- sinister chuckle

• hee family
• hee -- Indeterminate meaning. Not often seen in the wild. Possibly a typo.
• heehee -- giggle
• heeheehee -- sinister giggle

• ha family
• ha -- ha
• haha -- laugh
• hahaha -- enthusiastic laugh
• hahahaha -- sidesplitting laugh
• hahahahaha -- rolling on the floor laughing.

• acro family
• rofl -- Varies. Typically an enthusiastic laugh ... Frequently mistaken for "Rolling on the Floor Laughing"
• lol -- Varies. Typically a grunt, sometimes merely a smile.