Find the number of 2-letter words in the English language.
There are approximately 101 two-letter words in the English language. These words are mainly used as abbreviations, expressions, or as particles in phrasal verbs. Some examples include "of," "to," "in," and "at."
Complete the following task based on the instruction and optional input provided.### Instruction:
Find the number of 2-letter words in the English language.

### Output:
There are approximately 101 two-letter words in the English language. These words are mainly used as abbreviations, expressions, or as particles in phrasal verbs. Some examples include "of," "to," "in," and "at."