The following text was written to the standard output stream when the WordList.html program was executed from IntelliJ.
>>> help
HELP - display a menu of commands
DISPLAY - display the list of words
PRINT - print a word (FIRST;LAST;nth)
SWAP - exchange two elements (nth;mth)
ADD - add a words to the list (FIRST;LAST)
EXIT - terminate execution of the program
>>> display
unaccountable
frogs
telling
view
attraction
quill
land
knit
zinc
pine
wiggly
frail
terrific
milky
substantial
>>> print first
unaccountable
>>> print last
substantial
>>> print 3
telling
>>> print 15
substantial
>>> swap 5 7
>>> display
unaccountable
frogs
telling
view
land
quill
attraction
knit
zinc
pine
wiggly
frail
terrific
milky
substantial
>>> swap 1 15
>>> display
substantial
frogs
telling
view
land
quill
attraction
knit
zinc
pine
wiggly
frail
terrific
milky
unaccountable
>>> help
HELP - display a menu of commands
DISPLAY - display the list of words
PRINT - print a word (FIRST;LAST;nth)
SWAP - exchange two elements (nth;mth)
ADD - add a words to the list (FIRST;LAST)
EXIT - terminate execution of the program
>>> add first 100
>>> add last 200
>>> shownumbers
### Unrecognizable command: shownumbers
>>> display
100
substantial
frogs
telling
view
land
quill
attraction
knit
zinc
pine
wiggly
frail
terrific
milky
unaccountable
200
>>> exit