Working with the Pattern List
Although not quite as quick as entering patterns by their Entry Key, buzz does allow you to manually select a pattern from the pattern list and insert it.

Selecting Patterns in the Pattern list

To scroll through existing patterns, press CTRL-Up and CTRL-Down on the keyboard. This may also be accomplished by simply Left-clicking on the pattern name with the mouse.

Inserting the Selected Pattern

To insert the selected pattern, simply press the space bar.