a paper clip
a workbook
doors
clocks
a door
windows
workbooks
pictures
a window
a pencil sharpener
paper clips
pencil sharpeners
a pencil sharpener
workbooks
a paper clip
calendars
calendars
a clock
doors
a calendar
a door
pictures
a clock
paper clips
pencil sharpeners
a calendar
windows
a window
a workbook
clocks