You did fine (and Pen is the most common abbreviation) but thanks for the compliment.

Site is also a common abbreviation in net jargon for "website".

Xv is also a common abbreviation for the X video extension.

Hypertension, a common medical abbreviation meaning high blood pressure.

This can result in less common abbreviations being selected but reduces confusion as to which gene is referred to.

It is also a common abbreviation of the given name Conceição.

Mike is the most common abbreviation or shorthand for Michael.

Y2K is a numeronym and was the common abbreviation for the year 2000 software problem.

This character form also played a part in a common scribal abbreviation.

Below is a list of the possible classifications with common abbreviations.