add_word                Add a word to a word matrix
as_crossword            Assign an object to the 'crossword' class
as_wordsearch           Assign an object to the 'wordsearch' class
book                    Create a puzzle book
crossword               Create a crossword puzzle
image_matrix            Convert an image to a 0/1 matrix
is_crossword            Check if an object is of the 'crossword' class
is_wordsearch           Check if an object is of the 'wordsearch' class
make_logo               Make the 'worrrd' logo
max_word_size           Compute maximum word size, based on the current
                        word matrix
plot.crossword          Plot a crossword puzzle
plot.wordsearch         Draw a wordsearch puzzle
prepare_words           Prepare a word(s)
print.crossword         Print a crossword puzzle
print.wordsearch        Print details for a wordsearch puzzle
printable               Prepare a worrrd object for printing
word_intersections      Get possible intersection points based on the
                        current board and a provided word
word_overlap            Compute overlap score for a vector of words
wordsearch              Create a wordsearch puzzle
